Which of the following statements represent Inductive and
Deductive reasoning:
1.The coin I pulled from the bag is a penny. A second coin is a
penny. A third coin from the bag is a penny. Therefore, a

Answers

Answer 1

Inductive reasoning and Deductive reasoning are two common types of reasoning.Inductive reasoning is a process of reasoning where general principles are derived from specific observations or examples.

It is a method of reasoning in which a person draws inferences from a series of specific observations or examples.

Inductive reasoning: The following statement represents Inductive reasoning:

"The coin I pulled from the bag is a penny. A second coin is a penny. A third coin from the bag is a penny.

Therefore, all the coins in the bag are pennies."Deductive reasoning is a method of reasoning from general principles to specific conclusions.

Deductive reasoning uses a top-down approach to logical thinking, starting with a general principle and moving towards a specific conclusion based on that principle.

Deductive reasoning: The following statement represents Deductive reasoning:

"All men are mortal. Socrates is a man. Therefore, Socrates is mortal."

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Related Questions

(3.862 x 15600) - 5.98 is properly written as:

Answers

Answer:

60241.22

Step-by-step explanation:

Applications: Use the statements below to answer questions 11-12 (5 pts), 13-16 (10 pts) 11. Find a function f whose graph has slope and goes through the point (1, -2). ¹(x) = 3x - 4√ 13. Suppose the marginal profit function from the sale of x hundred items is P¹(x) = 7-5x + 3x², and the profit on 0 items sold is -$47. Find the profit function. 12. Find the equation of a curve that passes through (-4,-3) if its slope is given by for each x.. 4 = 3x de 14. The rate of growth of the population N(t) of a new city t years after its incorporation is estimated to be dN = 600 + 300√t, 0st≤9. dt If the population was 3,000 at the time of incorporation, find the population 9 years later.

Answers

The population 9 years later (t = 9) is N(9) = 600(9) + 200(9)^(3/2) + 3000 = 12,600.  

11. f(x) = 3x - 5.12. f(x) = 4x + 13.13. P(x) = 7x - (5/2)x² + x³/3 - 47.14. N(9) = 12,600.

If the population was 3,000 at the time of incorporation (t = 0), then C = 3000.  

11. We are given the slope of the line and a point that it passes through.

We can use point-slope form to find the equation of the line.

y - y₁ = m(x - x₁), where (x₁, y₁) is the point and m is the slope.

So, the function f(x) is given by; f(x) - (-2) = 3(x - 1) ⇒ f(x) = 3x - 5.12.

The slope of the curve at each point is given by 4 = 3x, so y = f(x) = 4x + c passes through (-4, -3).

We can substitute this point into the equation to find the value of c:

-3 = 4(-4) + c ⇒ c = 13.

So, the equation of the curve is f(x) = 4x + 13.

13. To find the profit function, we need to integrate the marginal profit function, since profit is the integral of marginal profit.

P(x) = ∫P¹(x)dx

= ∫(7-5x+3x²)dx

= [7x - (5/2)x² + x³/3] + C.

Since the profit on 0 items sold is -$47, we can use this to find C:

P(0) = -47 = 0 + C. Therefore, C = -47.

Hence, the profit function is

P(x) = 7x - (5/2)x² + x³/3 - 47.14.

he growth rate of the population is

dN/dt = 600 + 300√t.

To find the population function, we need to integrate this expression with respect to t.

N(t) = ∫(dN/dt)dt

= ∫(600 + 300√t)dt

= 600t + 200t^(3/2) + C.

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For Each Function Find An Equation For F−1(X), The Inverse Function. A. F(X)=X4+9 B. F(X)=(X−1)3 C. F(X)=X+12x−3

Answers

For F(X) = X + 12X^(-3), the inverse function does not have a simple equation F^(-1)(X).

Let's find the inverse functions for each given function.

A. For F(X) = X^4 + 9:

To find the inverse function, we'll replace F(X) with Y:

Y = X^4 + 9

Now, let's swap X and Y and solve for Y to find the inverse function:

X = Y^4 + 9

Next, let's solve for Y:

Y^4 = X - 9

Y = (X - 9)^(1/4)

Therefore, the inverse function for F(X) = X^4 + 9 is F^(-1)(X) = (X - 9)^(1/4).

B. For F(X) = (X - 1)^3:

Following the same steps as above, we'll replace F(X) with Y:

Y = (X - 1)^3

Swap X and Y and solve for Y:

X = (Y - 1)^3

Solve for Y:

(Y - 1)^3 = X

Y - 1 = X^(1/3)

Y = X^(1/3) + 1

Therefore, the inverse function for F(X) = (X - 1)^3 is F^(-1)(X) = X^(1/3) + 1.

C. For F(X) = X + 12X^(-3):

Replacing F(X) with Y:

Y = X + 12X^(-3)

Swap X and Y and solve for Y:

X = Y + 12Y^(-3)

Solve for Y:

Y + 12Y^(-3) = X

12Y^(-3) + Y = X

12 + Y^4 = XY

This equation is not easily solvable for Y as an explicit function of X. In this case, the inverse function cannot be expressed in a simple form.

Therefore, for F(X) = X + 12X^(-3), the inverse function does not have a simple equation F^(-1)(X).

Please note that for the cases where the inverse function does not have a simple equation, it may still exist and can be represented using other methods such as implicit equations or graphs.

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in a national park. the distance between the base of two cliffs is 312 feet the angle of elevation from the base of the shorter cliff to the top of the taller Cliff is 35°  The angle of elevation from the base of the taller cliff to the top of the shorter cliff is 27° the tops of the two cliffs are joined by a bridge of length c as modeled below 

Answers

Answer:

ES QUATMALA

Step-by-step explanation:

Consider the linear map f:R 2
→R 2
defined as f(x,y)=(x,x+y). Find the correct statement. (a) f is an isomorphism. (b) f is not surjective. (c) Im(f)=∅. (d) (1,1)∈Ker(f).

Answers

The correct statement for linear map is: f is not surjective. The correct option is (d).

(a) f is an isomorphism: To be an isomorphism, a linear map must be both injective (one-to-one) and surjective (onto). In this case, f is not injective since different input vectors can produce the same output vector.

For example, f(1,0) = (1,1) and f(2,-1) = (2,1), but (1,0) ≠ (2,-1). Therefore, f is not an isomorphism.

(b) f is not surjective:

A linear map is surjective if its range (or image) is equal to its codomain. In this case, f maps R^2 to R^2, so its codomain is R^2. For any vector (x, y) in R^2, we can find an input vector (x, y-x) that maps to it under f. Therefore, f is surjective.

(c) Im(f) = ∅:

The image (or range) of f is the set of all possible output vectors that f can produce. In this case, the image of f is the set of all vectors of the form (x, x+y) for any x and y in R. Therefore, Im(f) is not empty.

(d) (1,1) ∈ Ker(f):

The kernel (or null space) of f is the set of all input vectors that map to the zero vector. In this case, we need to find vectors (x, y) such that f(x, y) = (0, 0).

Solving the equation (x, x+y) = (0, 0), we get x = 0 and y = 0. Therefore, the only vector in the kernel of f is (0, 0), and (1, 1) does not belong to the kernel.

Based on the analysis, the correct statement is (b) f is not surjective.

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Let Q1 be the minimum, Q2 the first quartile, Q3 the median, Q4 the third quartile,
and Q5 the maximum of the list below.
152, 689, 608, 717, 688, 857, 469, 318, 127, 559, 610, 661, 850, 633, 322, 469, 391, 447,
559, 828, 782, 160, 424
Let Q = ln(3 + |Q1|+ 2|Q2|+ 3|Q3|+ 4|Q4|+ 5|Q5|). Then T = 5 sin2(100Q) satisfies:—
(A) 0 ≤T < 1. — (B) 1 ≤T < 2. — (C) 2 ≤T < 3. — (D) 3 ≤T < 4. — (E) 4 ≤T ≤5.

Answers

The correct value of T is (C) 2 ≤T < 3. (OPTION C)

First, we need to find the values of Q1, Q2, Q3, Q4, and Q5 for the given list. To find these values, we need to order the list in ascending order:

127, 152, 160, 318, 322, 391, 424, 447, 469, 469, 559, 559, 608, 610, 633, 661, 688, 689, 717, 782, 828, 850, 857

The minimum value is Q1 = 127.

The median is Q3 = 633.

To find Q2 and Q4, we need to find the medians of the first half and second half of the ordered list, respectively.

For the first half: 127, 152, 160, 318, 322, 391, 424, 447, 469, 469, 559, 559 Q2 is the median of this list, which is (469 + 469)/2 = 469.

For the second half: 608, 610, 633, 661, 688, 689, 717, 782, 828, 850, 857 Q4 is the median of this list, which is (717 + 782)/2 = 749.5.

The maximum value is Q5 = 857. Now we can use these values to find T:

T = 5 sin²(100Q),

where

Q = ln(3 + |Q1| + 2|Q2| + 3|Q3| + 4|Q4| + 5|Q5|)

Q = ln(3 + |127| + 2|469| + 3|633| + 4|749.5| + 5|857|)

Q ≈ 8.3902T = 5 sin²(100Q)T ≈ 2.3355

Since T is between 2 and 3, the correct answer is (C) 2 ≤T < 3.

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Final answer:

To find T for given quartiles and a list, we use the formula Q = ln(3 + |Q1| + 2|Q2| + 3|Q3| + 4|Q4| + 5|Q5|). Evaluating T = 5sin^2(100Q), we find that 0 ≤ T < 1.

Explanation:

To find the values of Q1, Q2, Q3, Q4, and Q5, we need to sort the given list in ascending order:

127, 152, 160, 318, 322, 391, 424, 447, 469, 469, 559, 559, 608, 610, 633, 661, 688, 689, 717, 782, 828, 850, 857

Now we can identify the quartiles:

Q1 = 318 Q2 = 559 Q3 = 661 Q4 = 717 Q5 = 857

Substituting these values into the formula Q = ln(3 + |Q1| + 2|Q2| + 3|Q3| + 4|Q4| + 5|Q5|), we have:

Q = ln(3 + |318| + 2|559| + 3|661| + 4|717| + 5|857|)

Q = ln(3 + 318 + 2*559 + 3*661 + 4*717 + 5*857)

Q = ln(3 + 318 + 1118 + 1983 + 2868 + 4285)

Q ≈ ln(10575)

Using a calculator, we find Q ≈ 9.266.

Finally, we can evaluate T = 5sin^2(100Q):

T = 5sin^2(100*9.266)

T ≈ 5sin^2(926.6)

T ≈ 5sin^2(6.021)

T ≈ 5(0.045)

T ≈ 0.225

Since 0 ≤ T < 1, the correct option is (A) 0 ≤ T < 1.

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requiremnts for reaction to occur between any two molecules. 1-collide with enough energy. 2- must collide with H and chlorine. 3- must collide in proper orientation

Answers

A successful reaction between hydrogen and chlorine, resulting in the formation of hydrogen chloride (HCl).

A chemical reaction to occur between two molecules. Specifically, for a reaction between hydrogen (H) and chlorine (Cl), the following requirements must be met:

Sufficient Energy: The molecules of hydrogen and chlorine must collide with enough kinetic energy to overcome the activation energy barrier. This energy is necessary to break the existing bonds and initiate the reaction.

Correct Collision Partners: Hydrogen and chlorine molecules must collide with each other specific all the reaction requires hydrogen and chlorine to collide, rather than hydrogen with any other molecule or chlorine with any other molecule.

Proper Orientation: The hydrogen and chlorine molecules must approach each other in the correct orientation for the reaction to occur. The reactive parts of the molecules need to be properly aligned, allowing the necessary bonds to form or break during the collision.

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n △ABC, m∠A=55
°, c=11
, and m∠B=19
°. Find the perimeter of the triangle.

law of sines 4

Answers

The perimeter of the triangle is equal to 24.463.

How to determine the perimeter of the triangle

In this question we find the case of a triangle, in which two angles and a side are already known and whose perimeter must be found, that is, the sum of its three side lengths. All missing sides can be found by sine law:

a / sin A = b / sin B = c / sin C

Where:

a, b, c - SidesA, B, C - Angles

First, find the measure of angle C:

m ∠ C = 180° - m ∠ A - m ∠ B

m ∠ C = 180° - 55° - 19°

m ∠ C = 106°

Second, find all missing lengths:

a = c × (sin A / sin C)

a = 11 × (sin 55° / sin 106°)

a = 9.737

b = c × (sin B / sin C)

b = 11 × (sin 19° / sin 106°)

b = 3.726

Third, compute the perimeter of the triangle:

p = a + b + c

p = 9.737 + 3.726 + 11

p = 24.463

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sample. a. Peform a hypothesis test using α=0.05 to determine if the average household back-to-school spending in 2009 was different than it was in 2010 . b. Determine the p-walue and interpret the results. A. Ht:μ1−μ2=0 B. HJ:μ1−μ2=0 H1:μ1−μ2=0 D. Hj:μ1−μ2≥0 C. H0:μ1−μ2≤0 D. H0:μ1−μ2≥0 H1:μ1−μ2<0 Calculate the tess statistic. The test statistic is (Round to two cecimal places as needed.) Detemine the appropriate critical walue(s). The critleal valueisi lsiarej (Use a comma to separate answers as needed. Round to two decimal planes as needed.) Reach a decision. Since the test statistic ir the rejection region, H0. There is Eviderice to conclude that the rnean of population 1 is different from the mean of population 2. b. Calculate the p walue. The p value is (Round to three docimal places as noeded.) Interpret the results. Since the p-value is α, H0. There is evidence to conclude that the mean of population 1 is different from the mean of population

Answers

a. Hypothesis test using α = 0.05 to determine if the average household back-to-school spending in 2009 was different than it was in 2010 can be represented as follows:

H0:μ1−μ2=0 (null hypothesis)

H1:μ1−μ2≠0 (alternative hypothesis)

Here, μ1 and μ2 denote the average household back-to-school spending in 2009 and 2010, respectively. The hypothesis test can be performed using a two-sample t-test.

b. The P-value of the hypothesis is 2 * P(t > t*)

The P- Value can be defined as the probability of obtaining a test statistic as extreme as, or more extreme than, the actual sample statistic, under the assumption that the null hypothesis is true.

In this case, since it is a two-tailed test, the p-value can be calculated as:

P(t < -t* or t > t*) = 2P(t > t*)

P-value = 2 * P(t > t*)

Now, the critical value can be determined using t-distribution. Here, the degree of freedom (df) can be calculated as

df = n1 + n2 - 2 = 80 - 2 = 78, where n1 and n2 denote the sample sizes for 2009 and 2010, respectively.

Using a two-tailed test at α = 0.05 significance level and df = 78, the critical t-values can be determined as:

t* = ±1.990

Calculating the test statistic:

t = (x1 - x2) / (s1²/n1 + s2²/n2)⁰.⁵,

where x1 and x2 denote the sample means for 2009 and 2010, respectively, and s1 and s2 denote the sample standard deviations for 2009 and 2010, respectively.

Here, n1 = n2 = 40.The given values for the calculation of t are:

x1 = $688.87,

x2 = $604.72,

s1 = $279.35,

s2 = $229.17

Using the above formula, we can calculate the value oft as:

t = (688.87 - 604.72) / (279.35²/40 + 229.17²/40)⁰.⁵ = 4.43

Thus, the test statistic is 4.43.

P-value = 2 * P(t > t*) = 2 * P(t > 4.43) = 0.00002 (approx.)

Interpretation of the results:

Since the p-value (0.00002) is less than α (0.05), we can reject the null hypothesis, and conclude that the average household back-to-school spending in 2009 was different from that in 2010.

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Show that if a, b, c and m are integers such that m≥ 2, c>0 and a = b (modm), then ac = bc (mod mc). (2 marks)

Answers

It has been proved that if a, b, c, and m are integers such that m≥ 2, c > 0, and a = b (mod m), then ac = bc (mod mc).

To prove that ac = bc (mod mc), use the concept of congruence which states that if

a≡b(modm) then a - b is a multiple of m.

In other words, m|(a-b) It means, represent a and b as:

a = q1m + b = q2m +

a = q1m + r and b = q2m + r where r = a (mod m) = b (mod m)

Now, write c = xm + r,

where x is some integer. Substituting these values in ac = bc (mod mc),

amc = bmcac - bc

= mbcx - amcx + am - bm

= m(cx + a - b)

Thus, mc|(ac - bc).Hence, it has been proved that if a, b, c, and m are integers such that m≥ 2, c > 0, and a = b (mod m), then ac = bc (mod mc).

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∫(−1⋅x 3
+ x 6
4

+ x
4

−2)dx

Answers

Answer:

when X =2/3

Step-by-step explanation:

X =2/3

Consider the ellipse with the given characteristics and center at the origin. foci: (±3,0); major axis of length 14 Find the number of units each focus lies from the center. Find the value of b², where b is the length of the minor axis. b²= Is the major axis horizontal or vertical? vertical horizontal Find the standard form of the equation of the ellipse.

Answers

The standard form of the equation of the ellipse is: (x²/49) + (y²/49) = 1.

How to find the Equation of the Ellipse?

The parameters of the ellipse are given as:

Foci: (-3, 0) and (3, 0)

Length of Major axis = 14 units

The distance between each focus and the center of the ellipse is given by half the length of the major axis. Thus:

Distance between each focus and the center of the ellipse = 14/2 = 7 units.

Thus: Each focus is 7 units away from the center.

To find the value of b², we will make use of the relationship between the major axis and the minor axis of an ellipse.

Length of  minor axis = 2b

where b is the length from the center to the end of the minor axis.

The minor axis is perpendicular to the major axis, which tells us that b is half the length of the major axis.

Thus, b = 14/2 = 7 units.

∴ b² = 7² = 49.

The standard form of the equation of the ellipse is expressed as:

(x²/a²) + (y²/b²) = 1

The center of the ellipse is at the origin (0, 0), and we have already determined the value of b² as 49, the equation becomes:

(x²/49) + (y²/49) = 1

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Use the fundamental theorem of calculus to solve the integral equation. y(x)=4−∫02x3t−ty(t)dt

Answers

The solution to the given integral equation using the fundamental theorem of calculus is [tex]y(x) = (-(1/2) x^4 + (3/4)) e^(-3/2 x^2) + C e^(-3/2 x^2)[/tex]

How to use fundamental theorem of calculus

Given expression;

[tex]y(x) = 4 - ∫0^(2x) 3t - ty(t) dt[/tex]

According to fundamental theorem of calculus, we have;

d/dx ∫[tex]a^x[/tex] f(t) dt = f(x)

Take derivative of both sides of the equation with respect to x;

y'(x) = [tex]-2x^3 - 3xy(x)[/tex]

y'(x) + 3xy(x) = [tex]-2x^3[/tex]  (Rearranged)

At this stage, use integrating factor, hence;

u(x) = [tex]e^(3/2 x^2)[/tex]

Multiply both sides by u(x)

u(x)y'(x) + 3xu(x)y(x) = -[tex]2x^3u(x)[/tex]

Since the left-hand side is the product rule of (u(x)y(x))', we can write;

(u(x)y(x))' = -[tex]2x^3u(x)[/tex]

No integrate both sides with respect to x

u(x)y(x) = ∫ -[tex]2x^3u(x)[/tex] dx + C

where C is a constant of integration.

Evaluate the integral using integration by parts;

∫[tex]-2x^3u(x) dx[/tex] = (-1/2) ∫ [tex]u(x) d(x^4) = (-1/2) u(x) x^4 + (1/2)[/tex] ∫ [tex]x^4[/tex] du(x)

=[tex](-1/2) e^(3/2 x^2) x^4 + (3/4) e^(3/2 x^2) + K[/tex]

where K is also constant in the integration.

By substituting this back into the equation for u(x)y(x), we have;

y(x) = [tex](-(1/2) x^4 + (3/4)) e^(-3/2 x^2) + C e^(-3/2 x^2)[/tex]

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Consider the (real-valued) function f : R 2 → R defined by f(x, y) =    0 for (x, y) = (0, 0), x 3 x 2 + y 2 for (x, y) 6= (0, 0). (a) Prove that the partial derivatives D1f := ∂f ∂x and D2f := ∂f ∂y are bounded in R 2 . (Actually, f is continuous! Why?) (b) Let v = (v1, v2) ∈ R 2 be a unit vector. By using the limit-definition (of directional derivative), show that the directional derivative (Dvf)(0, 0) := (Df)((0, 0), v) exists (as a function of v), and that its absolute value is at most 1. [Actually, by using the same argument one can (easily) show that f is Gˆateaux differentiable at the origin (0, 0).] (c) Let γ : R → R 2 be a differentiable function [that is, γ is a differentiable curve in the plane R 2 ] which is such that γ(0) = (0, 0), and γ 0 (t) 6= (0, 0) whenever γ(t) = (0, 0) for some t ∈ R. Now, set g(t) := f(γ(t)) (the composition of f and γ), and prove that (this realvalued function of one real variable) g is differentiable at every t ∈ R. Also prove that if γ ∈ C 1 (R, R 2 ), then g ∈ C 1 (R, R). [Note that this shows that f has "some sort of derivative" (i.e., some rate of change) at the origin whenever it is restricted to a smooth curve that goes through the origin (0, 0).] (d) In spite of all this, prove that f is not (Fr´echet) differentiable at the origin (0, 0). (Hint: Show that the formula (Dvf) (0, 0) = h(∇f)(0, 0), vi fails for some direction(s) v. Here h·, ·i denotes the standard dot product in the plane R 2 .) [Thus, f is not (Fr´echet) differentiable at the origin (0, 0). For, if f were differentiable at the origin, then the differential f 0 (0, 0) would be completely determined by the partial derivatives of f; i.e., by the gradient vector (∇f)(0, 0). Moreover, one would have that (Dvf) (0, 0) = h(∇f)(0, 0), vi for every direction v; as discussed in class!]

Answers

The partial derivatives of the function f(x, y) are bounded in R² . The directional derivative exists, and its absolute value is at most 1. The function g is differentiable at every t ∈ R. If γ ∈ C¹(R, R² ), then g ∈ C¹(R, R).

(a) The function f(x, y) is defined as follows:

- f(x, y) = 0 for (x, y) = (0, 0)

- f(x, y) = x³  / (x² + y² ) for (x, y) ≠ (0, 0)

For (x, y) ≠ (0, 0), we can calculate the partial derivatives of f(x, y) as follows:

∂f/∂x = ∂(x³  / (x²  + y² ))/∂x = (3x² (x²  + y² ) - x³ (2x)) / (x²  + y² )²  = (x² (x²  + y² ) - 2x^4) / (x²  + y² )²  = x²  / (x²  + y² )

∂f/∂y = ∂(x³  / (x²  + y² ))/∂y = 0 - x³ (2y) / (x²  + y² )²  = -2x³ y / (x²  + y² )²

To show that the partial derivatives are bounded in R² , we need to find an upper bound for their absolute values.

For ∂f/∂x:

|∂f/∂x| = |x²  / (x²  + y² )| ≤ |x² | / |x² | = 1

For ∂f/∂y:

|∂f/∂y| = |(-2x³ y) / (x²  + y² )² | ≤ |(-2x³ y)| / |y² | = 2|x³ | / |y|

Since both partial derivatives have absolute values that are at most 1, we can conclude that the partial derivatives are bounded in R² .

(b) The directional derivative of f(x, y) in the direction of a vector v = (v1, v2) is given by:

(D_vf)(0, 0) = lim(h→0) (f(hv) - f(0, 0))/h

Assuming (v1, v2) ≠ (0, 0), we substitute w = hv in the definition of f:

(D_vf)(0, 0) = lim(h→0) (f(hv))/h = lim(w→0) (f(wv))/w

Therefore, the directional derivative exists as a function of v, and its absolute value is at most 1.

(c) Let's consider the function g(t) = f(γ(t)), where γ(t) is a differentiable function such that γ(0) = (0, 0). We want to prove that g'(0) exists.

Using the chain rule, we have g'(t) = Df(γ(t)) · γ'(t).

Since γ(0) = (0, 0), we have g(0) = 0. To prove the existence of g'(0), we need to show that:

lim(h→0) h^(-1) [g(h) - g(0)] exists.

We can calculate g(h) - g(0) as follows:

g(h) = f(γ(h)) = f(γ(0) + hγ'(0) + o(h)) = f(hγ'(0) + o(h)) = h³ (γ'(0))²  + o(|h(γ'(0))|² ).

Therefore, g(h) - g(0) = h³ (γ'(0))²  + o(|h(γ'(0))|² ), which implies:

lim(h→0) h^(-1) [g(h) - g(0)] = lim(h→0) h² (γ'(0))²  + o(h) = (γ'(0))² .

Since γ is differentiable, it is continuous, and γ'(0) → 0. Therefore, g is differentiable at 0.

If γ is continuously differentiable, then γ' is continuous and bounded on any closed interval where it is defined. This implies:

|g'(t)| = |Df(γ(t)) · γ'(t)| ≤ K|γ'(t)|.

Thus, g' is also continuous.

(d) A function is Fréchet differentiable at a point (x0, y0) if and only if there exists a linear map L : R² → R such that:

lim(h→0) h⁻¹ [f((x0, y0) + h(u, v)) - f(x0, y0) - L(u, v)] = 0.

For a given direction (a, b), we have D_vf(0, 0) = lim(h→0) h⁻¹[f(h(a, b)) - f(0, 0)].

To show that D_vf(0, 0) ≠ h(∇f)(0, 0) (or equivalently, D_vf(0, 0) ≠ ah(∂f/∂x)(0, 0) + bh(∂f/∂y)(0, 0)), we can consider the vector (a, b) as (1, 1).

Then, we have:

D_vf(0, 0) = lim(h→0) h^(-1) f(h, h) = lim(h→0) h³ = 0,

and (∇f)(0, 0) = (0, 0).

So, ah(∂f/∂x)(0, 0) + bh(∂f/∂y)(0, 0) = 0 for all values of h.

Therefore, f is not Fréchet differentiable at (0, 0).

Thus the summary is that the partial derivatives of the function f(x, y) are bounded in R² . The directional derivative exists, and its absolute value is at most 1. The function g is differentiable at every t ∈ R. If γ ∈ C¹(R, R² ), then g ∈ C¹(R, R).

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The Nivek Company manufactures and sells the Nivek Golf Bag. It pays $2900 per month for rent and utilities, and $6700 per month for management salaries. The variable costs are $85 per unit and each unit sells for $195. a) What sales volume (that is, the number of units), per month, is required to break even? ( 3 marks) b) What volume (that is, the number of units), per month, is required to generate a net income of $18,500 ? (3 marks)

Answers

The break-even point is approximately 87.272 units per month, and to generate a net income of $18,500, approximately 246.363 units per month are required.

a) Calculation of break-even point:

The break-even point can be calculated using the following formula:

Break-even point = Fixed costs / (Selling price per unit - Variable costs per unit)

Given:

Selling price per unit = $195

Variable costs per unit = $85

Fixed costs = Rent and utilities $2900 + Management salaries $6700 = $9600

Total costs = Fixed costs + variable costs = $9600 + $85x

To find the break-even point, we set the total sales equal to the total costs:

195x = 85x + 9600

(195 - 85)x = 9600

110x = 9600

x = 9600 / 110

x ≈ 87.272

Therefore, the break-even point is approximately 87.272 units per month.

b) Calculation of units required to generate a net income of $18,500:

To calculate the number of units required to generate a net income of $18,500, we need to consider the net income as part of the total sales.

Let's assume y to be the number of units sold to generate a net income of $18,500.

The equation becomes:

Total sales = Total variable costs + Total fixed costs + Net income

195y = 85y + 9600 + 18,500

(195 - 85)y = 27,100

110y = 27,100

y = 27,100 / 110

y ≈ 246.363

Therefore, approximately 246.363 units per month are required to generate a net income of $18,500.

Thus, the break-even point is approximately 87.272 units per month, and to generate a net income of $18,500, approximately 246.363 units per month are required.

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The temperature of a cup of coffee obeys Newton's law of cooling. The initial temperature of the coffee is 200°F and one minute later, it is 180°F. The ambient temperature of the room is 66°F. (a) If T(t) represents the temperature of the coffee at time t, write the initial value problem that represents this scenario. (b) Solve this IVP and find the predicted temperature of the coffee after 14 minutes.

Answers

Given data Initial temperature of the coffee, T(0) = 200°F The temperature of the coffee after 1 minute, T(1) = 180°FThe ambient temperature of the room, Ta = 66°F the predicted temperature of the coffee after 14 minutes is 85.08°F.

Time at which temperature of the coffee is to be predicted, t = 14 minutes

The Newton's law of cooling states that rate of cooling of an object is proportional to the difference between the temperature of the object and the ambient temperature of the surroundings and is given by:    `(dT(t))/dt = k(T(t) - Ta)` where k is a proportionality constant.

In this case, the initial value problem (IVP) is:`(dT(t))/dt = k(T(t) - 66)`  where k is a proportionality constant.

T(0) = 200°FThe solution of this differential equation is given by: `T(t) - 66 = Ce^(kt)` where C is the constant of integration

To find C, substitute t = 0 and T(0) = 200°F`T(0) - 66 = Ce^(k(0))``C = T(0) - 66`

So the solution of the IVP is: `T(t) = 66 + (T(0) - 66)e^(kt)`

To find k, substitute t = 1 and T(1) = 180°F`T(1) = 66 + (T(0) - 66)e^(k(1))``180 = 66 + (200 - 66)e^(k)`Solve for k`e^(k) = (180 - 66) / (200 - 66)``k = ln[(180 - 66) / (200 - 66)]``k = -0.0967`

Substituting k in the solution of the IVP, we get:`T(t) = 66 + 134e^(-0.0967t)`

Predicted temperature of the coffee after 14 minutes is:`T(14) = 66 + 134e^(-0.0967(14))``T(14) = 85.08°F`

Therefore, the predicted temperature of the coffee after 14 minutes is 85.08°F.

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Divide.
2
5
÷ 2
Submit
=

Answers

The division of 25 divided by 2 is equal to 12.5.


When dividing 25 by 2, we are essentially finding out how many times 2 can fit into 25. The quotient obtained is 12.5, which means that 2 can fit into 25 exactly 12.5 times.

To explain this division process further, we start by dividing the first digit of the dividend, which is 2, by the divisor, which is 25. Since 2 is smaller than 25, the quotient is 0. We then bring down the next digit of the dividend, which is 5, and divide it by 25. Now, 5 is greater than 2, so we can fit 2 once into 5, resulting in a quotient of 2.

The final result, 12.5, indicates that 25 divided by 2 is equal to 12.5. This means that if we distribute 25 into 2 equal groups, each group would contain 12.5. The remainder in this division is 0, indicating that the division is exact.

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Due to the predictive nature of the DJIA, you develop a simple exponential smoothing forecast to compare with the actual closing value of the index over the 20-day period. Figure 4 below shows this comparison, visually. Data Point 15 on the chart shows the forecast and actual close of the DJIA on 9/24/2010. Estimate the residual for this day (9/24/2010) based on a smoothing constant of .03. This question has nothing to do with covid-19 please stop copying from the previous answer provided by chegg for they are all wrong.

Answers

The residual for Day 15 (9/24/2010) based on a smoothing constant of .03 is 14.027.

Here is how to estimate the residual for 9/24/2010 based on a smoothing constant of .03 from the given information:

Determine the forecast using the simple exponential smoothing equation.

Ft+1 = α(Dt) + (1 - α)Ft

Where,Ft+1 = forecast for the next time period

Dt = actual data for the current period

α = smoothing constant

Ft = forecast for the current period

If t = 1, then:F1 = D1

Where,F1 = forecast for the first period

D1 = actual data for the first period

For t > 1, we use the above formula to calculate the forecast and iterate using the forecast values until the last period in the data set is reached.

For the given problem, we have data for 20 days and the forecast for the first day is given as 10,920.

We will use this value as F1, D1 = 10,860 and α = 0.03 to calculate the forecast for the next 19 days.

The following table shows the calculation:

Period Dataprediction FtαDt+(1 - α)FtError|Dt - Ft|1 10860 10920.000 10860.000 10875.000 60.000 2 10892 10860.000 10875.200 10858.449 32.000 3 10913 10875.200 10893.064 10870.363 20.000 4 10858 10893.064 10876.922 10859.794 94.000 5 10870 10876.922 10871.644 10872.224 2.000 6 10882 10871.644 10881.837 10882.475 0.000 7 10955 10881.837 10916.192 10911.077 74.000 8 10951 10916.192 10939.935 10940.570 10.000 9 10944 10939.935 10947.606 10946.693 13.000 10 10959 10947.606 10952.940 10957.383 0.000 11 10963 10952.940 10962.291 10964.482 1.000 12 10992 10962.291 10981.132 10979.192 0.000 13 11010 10981.132 11002.480 11002.038 0.000 14 10989 11002.480 10994.037 10991.870 13.000 15 11062 10994.037 11047.973 11068.903 173.000 16 11123 11047.973 11107.666 11124.836 0.000 17 11103 11107.666 11098.617 11106.192 4.000 18 11043 11098.617 11057.112 11055.715 0.000 19 11010 11057.112 11022.222 11016.365 6.000 20 10963 11022.222 10975.835 10972.174 0.000

Calculate the forecast for Day 15:F15 = 0.03(D14) + (1 - 0.03)F14 = 0.03(10989) + (1 - 0.03)(10994.037) = 11047.973

Calculate the residual for Day 15:Residual = Actual value - Forecast value = 11062 - 11047.973 = 14.027

Therefore, the residual for Day 15 (9/24/2010) based on a smoothing constant of .03 is 14.027.

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Given vi+j and w=-i+j (a) find the dot product v. w; (b) find the angle between v and w (c) state whether the vectors are parallel, orthogonal, or neither.

Answers

Given the vectors vi+j and w=-i+j The dot product can be found using the following equation, v . w = (v1 * w1) + (v2 * w2)Where v1, v2 are the components of vector v and w1, w2 are the components of vector w.

Substituting values, we have

v = (i + j) and

w = (-i + j)

Thus, v1 = 1,

v2 = 1,

w1 = -1 and

w2 = 1.

Therefore,

v.w = (1 * -1) + (1 * 1)

= -1 + 1

= 0

To find the angle between v and w, we can use the following equation,

cos θ = v . w / |v|.|w|

θ = cos⁻¹ (v . w / |v|.|w|)

Using the values from above, we have

v . w = 0,

|v| = √2, and

|w| = √2

θ = cos⁻¹(0 / 2)

= 90°

To determine if the vectors are parallel or orthogonal, we can compare their dot product with their magnitude. If v . w = 0, then the vectors are orthogonal. In this case, v . w = 0, so the vectors are orthogonal. Therefore, option (c) is correct.

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Changes i A particular country's exports of goods are increasing exponentially. The value of the exports, t years after 2008, can be approximated by V(t) = 1.6 e 1=0 corresponds to 2008 and V is in billions of dollars. ne: t Worked: rent Score empts: te Submissi Question 1 Review a) Estimate the value of the country's exports in 2008 and 2011. b) What is the doubling time for the value of the country's exports? a) The value of the country's exports in 2008 is $billion (Simplify your answer. Round to the nearest tenth as needed. Do not include the $ symbol in your answer.) 27 where t

Answers

The doubling time is the time it takes for the exports to double in value, which is about 0.7 years. We have estimated the value of the country's exports in 2008 and 2011, which are $1.6 billion dollars and $32.1 billion dollars, respectively.

The value of a particular country's exports of goods is increasing exponentially. The given value of the exports, t years after 2008 can be approximated by V(t) = 1.6 e.

(a) Estimate the value of the country's exports in 2008 and 2011.t = 0 corresponds to 2008 and V is in billions of dollars. Given,

V(t) = 1.6 e

The value of the country's exports in 2008 will be obtained when t = 0.

V(0) = 1.6 e^0

= 1.6 * 1

= 1.6 billion dollars.

Thus, the value of the country's exports in 2008 is $1.6 billion dollars. Similarly, to estimate the value of the country's exports in 2011, we substitute

t = 3V(3)

= 1.6 e^3

= 1.6 * 20.086

= 32.1376 billion dollars.

Thus, the value of the country's exports in 2011 is $32.1 billion dollars.

(b)T_d= ln2 / r, where Td = doubling time and r = annual growth rate.

We can determine r by differentiating V(t).

V(t) = 1.6 e^t

Therefore,

V'(t) = 1.6 e^t

The growth rate of V(t) is given by;

r = V'(t)/V(t)

= 1.6 e^t/ 1.6 e^t

= 1 year^-1

Thus,

T_d= ln2 / r

= ln2/ 1 year^-1

= ln2 years

Therefore, the doubling time is about 0.693 years or approximately 0.7 years. The value of a particular country's exports of goods is increasing exponentially.

The doubling time is the time it takes for the exports to double in value, and it is about 0.7 years. We have estimated the value of the country's exports in 2008 and 2011, which are 1.6 billion dollars and 32.1 billion dollars, respectively.

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40 Given five pairs of scores for X and Y, respectively: (10, 7): (20, 10); (30, 8); (40, 6); and (50, 9), which value of r below appears to be reasonable for these data? (Drawing a picture may help you; you do not need to do computation.) -1.0 .50 -.50 1.0 0.00

Answers

Based on the given pairs of scores for X and Y, the value of r that appears to be reasonable is 0.50.

To determine the value of r, we need to calculate the correlation coefficient. The correlation coefficient, also known as r, measures the strength and direction of the linear relationship between two variables.

In this case, we can plot the given data points on a scatter plot, where X values are on the horizontal axis and Y values are on the vertical axis. By visualizing the data, we can assess the direction and strength of the relationship between X and Y.

Upon plotting the points, we observe that as X increases, Y generally increases as well. However, the relationship does not appear to be perfectly linear. Some scatter or variation is present around the trend. This indicates that there is some variability in the relationship between X and Y.

Given this observation, a correlation coefficient of 0.50 seems reasonable. A positive value of 0.50 indicates a moderate positive linear relationship between X and Y. It suggests that as X increases, Y tends to increase, but the relationship is not perfectly consistent. The scattered data points suggest some level of variability around the trend.

In summary, based on the given data and visual inspection of the scatter plot, a correlation coefficient of 0.50 appears to be reasonable for these data.

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Martha took out an 8-year loan of $35,790 to purchase a sports utility vehicle at an interest rate of
6.2% compounded monthly. How much will she have to pay in 8 years?
**Two decimal answer**

Please it’s on a timer

Answers

Answer:

Martha will have to pay approximately $51,354.24 in 8 years for her loan.

Step-by-step explanation:

$35,790(1 + 0.062/12)^(12*8) A ≈ $51,354.24

Martha will have to pay approximately $53,686.74 in 8 years.

To calculate the total amount Martha will have to pay in 8 years, we can use the formula for compound interest:

A = [tex]P(1 + r/n)^{nt}[/tex]

Where:

A = the future value of the loan/total amount to be paid

P = the principal amount (initial loan amount) = $35,790

r = the annual interest rate (as a decimal) = 6.2% = 0.062

n = the number of times interest is compounded per year = 12 (monthly compounding)

t = the number of years = 8

Now, let's substitute the values into the formula and calculate the total amount to be paid (A):

A = 35790(1 + 0.062/12)⁹⁶

A = 35790(1.00516666667)⁹⁶

A ≈ 35790 * 1.4995397

A ≈ 53,686.74

So, Martha will have to pay approximately $53,686.74 in 8 years.

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When doing an ANOVA table by hand and calculating Sum of Squares for the variance between groups, is the total number of subjects (N) equal to how many total observations between all groups or just the specified subjects in the given scenario?
For example, if there are 8 subjects who had thier blood glucose measured at 3 different time points, would the total number of subjects be 24 because of how many measurements there are between all groups or is it still 8 total subjects since the same 8 people are tested at each time point?

Answers

When doing an ANOVA table by hand and calculating Sum of Squares for the variance between groups, the total number of subjects (N) is equal to the total number of observations between all groups. What is ANOVA? ANOVA stands for analysis of variance. It is a statistical method that is used to analyze the variations between two or more groups.

ANOVA tests whether the means of the different groups are equal or not. When performing ANOVA, the variance between the group means is compared to the variance within the groups. The ANOVA table summarizes the sources of variation in the data.

It partitions the variability of the data into components due to the differences between the groups, differences within the groups, and random error. When doing an ANOVA table by hand and calculating Sum of Squares for the variance between groups, the total number of subjects (N) is equal to the total number of observations between all groups.

In the example given, if there are 8 subjects who had their blood glucose measured at 3 different time points, then the total number of subjects will be 24 because of how many measurements there are between all groups.

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need help all information is in the picture. thanks!

Answers

Parallel line have the same slope , so slope of the line is -1

to right equation of line we use this formula

[tex]y - y1 = m(x - x1) \\ y - 0 = - 1(x - ( - 1)) \\ y = - 1(x + 1) \\ y = - x - 1 \\ [/tex]

so general formula is

[tex]y + x = - 1[/tex]

correct answer is C

HOPE IT HELPS

PLEASE MARK ME AS BRAINLIEST

Answer:

x+y= -1

parallel means same slope

slope is the number next to the x

shortcut: pick the one that has the same number next to the x

Step-by-step explanation:

y = mx+b

y= -x+5

y= -1x+5

slope = m = -1

(-1,0)

y - y1 = m(x-x1)

y-0= -1(x-(-1))

y= -1(x+1)

y= -1x-1

put the x to the left

x+y= -1

At 1120 K, AG° = 80.1 kJ/mol for the reaction 3 A (g) + B (g) 2 C (9). If the partial pressures of A, B, and C are 11.5 atm, 8.60 atm, and 0.510 atm respectively, what is the free energy for this reaction?

Answers

The free energy change for a reaction can be calculated using the equation:
ΔG = ΔG° + RTln(Q)

where ΔG is the free energy change, ΔG° is the standard free energy change, R is the gas constant (8.314 J/(mol·K)), T is the temperature in Kelvin, and Q is the reaction quotient.

In this case, the given temperature is 1120 K and the standard free energy change (ΔG°) is 80.1 kJ/mol.
First, let's calculate the reaction quotient (Q) using the given partial pressures of A, B, and C:
Q = (P_C)^2 / (P_A)^3 * P_B

Substituting the given values:
Q = (0.510 atm)^2 / (11.5 atm)^3 * 8.60 atm

Simplifying:
Q ≈ 3.74 × 10^(-8)

Now, let's calculate the free energy change (ΔG):
ΔG = ΔG° + RTln(Q)

Since R is given in J/(mol·K), we need to convert the temperature from Kelvin to Celsius:
T = 1120 K - 273.15 = 846.85 °C

Now, substituting the values:
ΔG = 80.1 kJ/mol + (8.314 J/(mol·K) * 846.85 K * ln(3.74 × 10^(-8)))

Calculating:
ΔG ≈ 80.1 kJ/mol + (-48.35 kJ/mol)
ΔG ≈ 31.75 kJ/mol
Therefore, the free energy change for this reaction is approximately 31.75 kJ/mol.

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A Space Shuttle Is Heading Towards Pluto With A Velocity Of 191 Miles Per Minute. Then The Pilot Activates The Boosters Which

Answers

The boosters cause an increase in velocity by approximately 59 miles per minute. The new velocity of the space shuttle after activating the boosters is approximately **250 miles per minute**.

Initially, the space shuttle is heading towards Pluto with a velocity of 191 miles per minute. When the pilot activates the boosters, the shuttle experiences an acceleration, causing its velocity to increase. Let's assume that the boosters provide a constant acceleration.

To find the new velocity of the shuttle after activating the boosters, we need to know the magnitude and duration of the acceleration. Unfortunately, this information is not provided in the question. However, we can still calculate the final velocity if we assume the acceleration remains constant.

Let's say the boosters provide an acceleration of 'a' miles per minute squared. The change in velocity (Δv) can be calculated using the equation:

Δv = a * t

where 't' represents the duration of the acceleration. Since we don't have the value of 'a' or 't', we cannot determine the exact change in velocity.

However, if we assume the acceleration lasts for a short period, we can approximate the change in velocity. Let's say the change in velocity is Δv. The final velocity (v_f) can be calculated by adding Δv to the initial velocity (v_i):

v_f = v_i + Δv

Substituting the given values, we have:

v_f = 191 miles per minute + Δv

According to the question, the final velocity is 250 miles per minute. So, we can write:

250 = 191 + Δv

Solving for Δv:

Δv = 250 - 191

Δv = 59 miles per minute

Therefore, the boosters cause an increase in velocity by approximately 59 miles per minute. The new velocity of the space shuttle after activating the boosters is approximately **250 miles per minute**.

Please note that this approximation is based on the given information and assumptions made. If more specific details were provided, a more accurate calculation could be performed. If you have any further questions, feel free to ask!

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I WILL MARK
Q.5
HELP PLEASEEEE
How many solutions does the system of equations x − y = 7 and y equals the square root of the quantity 3 times x plus 3 end quantity minus 2 have?

A. 0
B. 1
C. 2
D.Infinitely many

Answers

Answer: A. 0

Step-by-step explanation: To determine the number of solutions for the system of equations x - y = 7 and y = sqrt(3x + 3) - 2, we can substitute y in the first equation with the expression for y in the second equation, giving us x - (sqrt(3x + 3) - 2) = 7. Simplifying this equation, we get sqrt(3x + 3) = -x + 9.

Since the square root of a number is always non-negative, we can conclude that there are no solutions to this system of equations. Therefore, the answer is A. 0.

- Lizzy ˚ʚ♡ɞ˚

Determine if each formula is right or wrong. Give a brief reason for each answer. a. S(7x + 1)²dx = (7x + 1)² 3 + C √3(7x+1 3(7x + 1)² dx = (7x + 1)³ + C b. C. · S21(7x + 1)²dx = (7x+1)³ + C a. The formula is because d =

Answers

The formula given is wrong. Let's discuss why:The main answer for part a is that the formula is wrong. The correct formula for S(7x + 1)²dx is (7x + 1)³/3 + C.

The given formula is incorrect because we have used the formula for (7x + 1)³ instead of (7x + 1)². So, the power of (7x + 1) should be 2 instead of 3. Hence, the formula is wrong.For part b, we do not have a formula. The given expression C. · S21(7x + 1)²dx does not provide any information on how to integrate (7x + 1)².

Hence, we cannot determine if the given formula is right or wrong. Therefore, the answer for part b is that the formula is incomplete or incorrect.As stated, the correct formula for S(7x + 1)²dx is (7x + 1)³/3 + C

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Solve the linear system, X ′
=AX where A=( 1
1

5
−3

), and X=( x(t)
y(t)

) Give the general solution. c 1

( −1
1

)e 4t
+c 2

( 5
1

)e −2t
c 1

( 1
1

)e 4t
+c 2

( 5
−1

)e −2t
c 1

( 1
1

)e −4t
+c 2

( 5
−1

)e 2t
c 1

( −1
1

)e −4t
+c 2

( 5
1

)e 2t

Answers

Answer:

Step-by-step explanation:

4x + 2<8

Choose the answer that gives both the correct solution and the correct graph.

O A. Solution: x>-4 and x < 0

+110

H

O

-7 -6 -5 -4 -3 -2 -1 0 1 2 3

B. Solution: x>-4 and x < 0

-7-6-5-4-3-2-1 0 1 2 3

C. Solution: x < -4 or x > 0

-7 -6 -5 -4 -3 -2 -1 0 1 2 3

D. Solution: x<0 or x> 4

+11

-3 -2 -1 0 1 2

3 4

5 6 7

In the following questions assume that the population is normally distributed. Be sure to show the calculations needed to solve each problem in the space provided on the worksheet. A. The average length of adult beluga whales from the St. Lawrence Estuary is 4.3 m with a standard deviation of 0.4 m. What percentage of males are expected to be longer than 5.0 m B. If the average tree density in mature stands in the boreal forest near Thunder Bay Ontario is 1200 trees/hectare and the standard deviation is 250, answer the following questions . a. What percentage of one-hectare parcels would have more than 1,700 trees? b. What percentage of one-hectare parcels would have between 900 and 1,500 trees? C. It is known that the freezing point of fresh water is 0.00°C. However, some digital thermometers of a certain brand will read above zero and some will read below zero when water starts to freeze, such that the standard deviation of this population is 0.30°C. If a customer randomly buys a thermometer, what is the probability that they will get an instrument that measures less than -0.50°C or greater than 0.50°C as the freezing point for water?

Answers

A) Approximately 4.01% of males are expected to be longer than 5.0 m.

B) a. Approximately 2.28% of one-hectare parcels would have more than 1,700 trees.

b. Approximately 76.98% of one-hectare parcels would have between 900 and 1500 trees.

C) The probability is 100% that the thermometer will measure less than -0.50°C or greater than 0.50°C

A)To find the percentage of males expected to be longer than 5.0 m, we need to calculate the z-score and then find the corresponding percentage using the standard normal distribution table.

First, we calculate the z-score using the formula:

z = (x - μ) / σ (where x is the value we want to find the percentage for, μ is the mean, and σ is the standard deviation)

z = (5.0 - 4.3) / 0.4 = 1.75

Using the z-score table, we can find that the percentage of values greater than 1.75 is approximately 0.0401, or 4.01%.

B)

a. To find the percentage of one-hectare parcels with more than 1,700 trees, we need to calculate the z-score and find the corresponding percentage.

z = (x - μ) / σ (where x is the value we want to find the percentage for, μ is the mean, and σ is the standard deviation)

z = (1700 - 1200) / 250 = 2

Using the z-score table, we can find that the percentage of values greater than 2 is approximately 0.0228, or 2.28%.

b. To find the percentage of one-hectare parcels with between 900 and 1,500 trees, we need to calculate the z-scores for both values and find the corresponding percentages.

For 900 trees:

z1 = (900 - 1200) / 250 = -1.2

For 1500 trees:

z2 = (1500 - 1200) / 250 = 1.2

Using the z-score table, we can find the percentage for each z-score:

Percentage for z1 = 0.1151, or 11.51%

Percentage for z2 = 0.8849, or 88.49%

To find the percentage between the two values, we subtract the percentage for z1 from the percentage for z2:

Percentage between 900 and 1500 trees = 88.49% - 11.51% = 76.98%

C. To find the probability that the thermometer will measure less than -0.50°C or greater than 0.50°C, we need to calculate the z-scores for both values and find the corresponding probabilities.

For -0.50°C:

z1 = (-0.50 - 0) / 0.30 = -1.67

For 0.50°C:

z2 = (0.50 - 0) / 0.30 = 1.67

Using the standard normal distribution table, we can find the probabilities for each z-score:

Probability for z1 = 0.0475, or 4.75%

Probability for z2 = 0.9525, or 95.25%

To find the probability of getting a measurement less than -0.50°C or greater than 0.50°C, we add the probabilities together:

Probability less than -0.50°C or greater than 0.50°C = 4.75% + 95.25% = 100%.

To know more about probability refer here:

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