The condition that will create a biased estimator of a population parameter is D. The expected value of the estimator is not equal to the population parameter.
What is a population parameter?It should be noted that a parameter is a descriptive measure applied to a whole population. There are numerous population parameters exist. For instance, the population size (N) is one parameter.
For T(x) to be an unbiased estimator of population parameter, it is necessary that the expected value of the estimator is equal to population parameter.
Therefore, the condition that will create a biased estimator of a population parameter is that the expected value of the estimator is not equal to the population parameter.
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your answer is 36. create an equation using the values a=0,b=1,c=2,d=3,e=4,f=5,g=6,h=7,k=8,l=9,m=10,n=11
Answer:
Here is your answer: 36 Now create an equation using the values below:A =0 B=1C=2D=3E=4F=5G=6H=7K=8L=9M=10N=11
example: If the answer is 12, there are several possible equations:
2D+G=12 , 2(3)+6=12
4C+H-D , 4(2)+ 7-3
D(2C) , 3(2 x 2)
Step-by-step explanation:
Answer:
l(k +g +f +d +c -h -b -a)(n -m)/e = 36
Step-by-step explanation:
You want to use the numbers 0 through 11 to create an equation that evaluates to 36.
ApproachWe will create an equation that simplifies to 4×9 = 36. This will make use of the identity properties of multiplication and addition, and will use the fact that 16/4 = 4.
Pieces9 = 9×1 = 9×(11 -10) = l(n-m)
0 = 8 -8 = (8 -7 -1 - 0) = k -h -b -a
16 = 8 +8 = 6 +5 +3 +2 = g +f +d +c
WholeThen the whole expression becomes ...
(16 +0)/4×9 = (g +f +d +c +k -h -b -a)/e×l(n -m) = 36
Write the given equation in slope-intercept form.
Given: 3x + 2y
A Y У
BY
c) Y
DY
3
===x-5
2²
=
3232
=
232
2x+5
x-5
2⁰t
2²+5
10
Я люблю тебя так сильно, что не знаю, как это сделать Я люблю тебя так сильно, что не знаю, как это сделать Я люблю тебя так сильно, что не знаю, как это сделать vvvvЯ люблю тебя так сильно, что не знаю, как это сделать Я люблю тебя так сильно, что не знаю, как это сделать vЯ люблю тебя так сильно, что не знаю, как это сделать Я люблю тебя так сильно, что не знаю, как это сделать Я люблю тебя так сильно, что не знаю, как это сделать vvvvЯ люблю тебя так сильно, что не знаю, как это сделать vvЯ люблю тебя так сильно, что не знаю, как это сделать Я люблю тебя так сильно, что не знаю, как это сделать
=3
In a sample of 1100 U.S. adults, 203 think that most celebrities are good role models. U.S. adults are selected from this sample without replacement. Complete parts (a) through (c). (a) Find the probability that both adults think most celebrities are good role models. The probability that both adults think most celebrities are good role models is nothing. (Round to three decimal places as needed.) (b) Find the probability that neither adult thinks most celebrities are good role models. The probability that neither adult thinks most celebrities are good role models is nothing. (Round to three decimal places as needed.) (c) Find the probability that at least one of the two adults thinks most celebrities are good role models. The probability that at least one of the two adults thinks most celebrities are good role models is nothing. (Round to three decimal places as needed.)
Using the hypergeometric distribution, the probabilities are given as follows:
a) 0.034 = 3.4%.
b) 0.665 = 66.5%.
c) 0.3352 = 33.5%.
What is the hypergeometric distribution formula?The formula is:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
The parameters are:
x is the number of successes.N is the size of the population.n is the size of the sample.k is the total number of desired outcomes.For this problem, the parameters are given as follows:
N = 1100, k = 203, n = 2.
In item a, the probability is P(X = 2), hence:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]P(X = 2) = h(2,1100,2,203) = \frac{C_{203,2}C_{897,0}}{C_{1100,2}} = 0.034[/tex]
For item b, the probability is P(X = 0), hence:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]P(X = 0) = h(0,1100,2,203) = \frac{C_{203,0}C_{897,2}}{C_{1100,2}} = 0.665[/tex]
For item c, the probability is:
P(X >= 0) = 1 - P(X = 0) = 1 - 0.665 = 0.335.
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Debra runs 4 miles in 30 minutes. At the same rate, how many miles would she run in 48 minutes?
========================================================
Work Shown:
(4 miles)/(30 minutes) = (x miles)/(48 minutes)
4/30 = x/48
4*48 = 30x
30x = 4*48
x = 4*48/30
x = 6.4
B
Identifying Properties of Substances and Mixtures
Which properties are characteristics of pure substances, and which are characteristics of mixtures?
May be multiple states of matter
Pure Substances
Exist in the same state of matter
Can be separated physically
Have consistent properties
Cannot be separated physically
Cannot be a single element
Intro
Mixtures
Done
Properties of pure substances:
Exist in the same state of matterHave consistent propertiesCannot be separated physicallyProperties of mixtures:
May be multiple states of matterCan be separated physicallyCannot be a single elementPure substances:
Each homogenous mixture contains only pure substances. No matter how tiny the sample size, these chemicals primarily have a stable or comparable composition throughout. Water, steel, and iron are a few examples of pure materials.
Mixtures:
In chemistry, a mixture is a compound made up of two or more simpler substances. These substances may be chemical elements or compounds. You can create a mixture of gases, solids, or liquids. For instance, when sugar is added to water, it first forms a mixture before dissolving to produce a solution.
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A supplement of an angle is six times as large as a complement of the angle. Find the measures of the angle, its supplement, and its complement
The measure of the angle is 72°, its supplement is 108° and its compliment is 18° .
A pair of supplementary angles is defined as two angles which add up to 180°. They are also called linear pair.
A pair of angles which add up to 90° is called complimentary angles.
let us consider the given angle be x .
Compliment of given angle=90°- x
Supplement of the given angle=180°-x
The supplement is 6 times the compliment .
Therefore we can construct a linear equation of the form:
6(90°- x)=180°-x
or, 540°-6x=180-x
or, -6x+x=180-540
or, -5x=-360
or, x=72
Hence the angle is 72°
Compliment of 72°=90°-72°=18°
Supplement of 72°=180°-72°=108°
Therefore the required angle is 72°, its supplement is 108° and its compliment is 18° .
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How many portions of 8 ¾ ounces each can be made from a boneless roast weighing 28 pounds? (Remember, 1 pound = 16 ounces.)
portions
The portions of 8 ¾ ounces that can be made from a boneless roast weighing 28 pounds is 51.2 portions.
How to calculate the value?1 pound = 16 ounces
Therefore, 28 pounds will be:
= 28 × 16
= 448. ounces
Therefore the number of portions will be:
= 448 / 8 3/4
= 448 / 8.75
= 51.2 portions
Therefore, the portions of 8 ¾ ounces that can be made from a boneless roast weighing 28 pounds is 51.2 portions.
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The formula s = √18d can be used to find the speed s of a car in miles per
hour when the car needs d feet to come to a complete stop after stepping
on the brakes. If it took a car 25 feet to come to a complete stop after
stepping on the brakes, estimate the speed of the car. Truncate the value
of √18d, when d = 25, to the tenths place.
Answer:
Substitute d=25 to the formula and use a calculator to evaluate: s=18(25 s=450 s~21,2132... Truncated to the tenths place, we have: s~21.2 miles per hour.
Step-by-step explanation:
find the gradients of line a and b
Answer:
[tex]a = 4[/tex]
[tex]b = - 2[/tex]
Step-by-step explanation:
See the attached image above for explanation.
I hope it helpsorder froom least to greatest, 1/4, 32%, 0.4
Answer:
1/4
32%
0.4
Step-by-step:
1/4 = 0.25
32 = 0.33
0.4 = 0.40
7 students are sharing 4 bags of takis so that each person gets the same amount how much can each student have?
Answer:
) What is the value of x in the following simplification problem?
45% of 600 + x% of 480 = 390. A/ 30
B/ 20
C/ 25
D/ 40
40) The s
Where’s 1 7/10 on a number line?
The location of 17/10 on the number line is given below .
A number line provides a "picture" of what a number is. Visually see where your number is and other numbers nearby. Large numbers are always on the right and small numbers are always on the left.Small marks along the line represent the next highest or next lowest number. In most cases, the small marks are one count apart. There is no problem. The arrows at the ends of the number line mean infinite left and right movement, just like numbers move infinitely.
The fraction 17/10 is equals 1.7 .
Also note that minus 17/10 is the same distance from 0, but to the left of 0 instead of to the right.
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Help plsss••••••••••••••••••••
Answer:
Step-by-step explanation:
64 / 0.16 = 400 square cm
The product of powers law of exponents states to keep the ______ then _______ the powers.
A. base. A. add
B. coefficient B. subtract
C. exponent C. multiply
Completed
Enter the decimal value positioned at point B.
B
-6
-5
Progress
-4
-3
-2
-1
0
1
2
The value of B is -7 and no decimal number.
What are decimal numbers?Decimal refers to the base-10 number system, which is probably the most widely used number system. There are ten single-digit numbers in the decimal number system: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number following 9 is 10. The number following 19 is 20, and so on.So, in the sequence:
B-6-5-4-3-2-1012We can easily say that the value of B will be -7 and no decimal number.
So,
-7-6-5-4-3-2-1012Therefore, the value of B is -7, and no decimal number.
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The frequency table represents the job status of a number of high school students. A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for job with entries 12, 38, 50. The third column is labeled not looking for a job with entries 28, 72, 100. The fourth column is labeled total with entries 40, 110, 150. Which shows the conditional relative frequency table by column? A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for a job with entries 0.3, nearly equal to 0.33, 1.0. The third column is labeled not looking for job with entries 0.7, nearly equal to 0.65, 1.0. the fourth column is labeled total with entries nearly equal to 0.27, nearly equal to 0.73, 1.0. A 4-column table with 3 rows titled job status. The first column is blank with entries currently employed, not currently employed, total. The second column is labeled Looking for a job with entries 0.12, 0.38, 050. The third column is labeled not looking for a job with entries 0.28, 0.72, 1.00. The fourth column is labeled total with entries 0.4, 1.1, 1.5. A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for a job with entries 0.24, 0.76, 1.0. The third column is labeled not looking for a job with entries 0.28, 0.72, 1.0. The fourth column is labeled total with entries nearly equal to 0.27, nearly equal to 0.73, 1.0. A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for job with entries 0.08, nearly equal to 0.25, nearly equal to 0.33. The third column is labeled not looking for a job with entries nearly equal to 0.19, 0.48, nearly equal to 0.67.
The relative frequency table is given at the end of the question.
What is a relative frequency?A relative frequency is given by the number of desired outcomes divided by the number of total outcomes.
For this problem, we have that out of 150 people, 40 and currently employed and 110 are not, hence the relative frequencies are given as follows:
Currently employed: 40/150 = 0.27.Not currently employed: 0.73.Of those 40 currently employed, 12 are looking for jobs and 28 are not, hence the relative frequencies are given as follows:
Looking for a job: 12/150 = 0.08.Not looking for a job: 28/150= 0.19.Of those 110 that are not currently employed, 38 are are looking for jobs and 72 are not, hence the relative frequencies are given as follows:
Looking for a job: 38/150 = 0.35.Not looking for a job: 72/150 = 0.48.Hence the frequency table is given at the end of the question.
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The dimensions of a rectangular monitor screen are such that its length is 3 in. more than its width. If the length were doubled and if the width were decreased by 1 in., the area would be increased by 104in^(2) . What are the length and width of the screen?
The length and width of the screen is 9.71 inch and 12.71 inch.
What is a rectangle?A Rectangle is a four sided-polygon, having all the internal angles equal to 90 degrees. The two sides at each corner or vertex, meet at right angles.
Area of triangle = Length * Width
Let L be the length and W be the width of the rectangle.
Now it is given that,
Dimensions of a rectangular monitor screen are, its length is 3 in. more than its width.
⇒ L + 3 = W
Therefore area is given as,
A = L * W
Put the value of W we get,
A = L * (L + 3)
Now, If the length were doubled and if the width were decreased by 1 in, the area would be increased by 104 in^2
Length = 2L
Width = W - 1
Thus area becomes,
A' = 2L(W - 1)
Now, the area would be increased by 104 in^2
A' = A + 104
Putting the value of A in A' we get,
A' = L * (L + 3) + 104
Now putting the value of A' we get,
2L(W - 1) = L * (L + 3) + 104
Expanding we get,
2LW - 2L = L^2 + 3L + 104
Since L + 3 = W
Thus, putting W in above we get,
2L(L + 3) - 2L = L^2 + 3L + 104
Expanding the brackets we get,
2L^2 + 6L - 2L = L^2 + 3L + 104
Solving we get,
2L^2 + 4L = L^2 + 3L + 104
Taking all the terms together we get,
2L^2 + 4L - L^2 - 3L - 104 = 0
Solving alike terms we get,
L^2 + L - 104 = 0
Solving the above equation we get,
L = 9.71 inch, -10.71 inch
Since, Length cannot be negative
Thus,
L = 9.71 inch
Put the value of L in W we get,
9.71 + 3 = W
⇒ W = 12.71 inch
Thus the required value of length and width is,
Length = 9.71 inch
Width = 12.71 inch
Thus, the length and width of the screen is 9.71 inch and 12.71 inch.
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A model rocket is launched with an initial upward velocity of 39 m/s. The rocket's height / (in meters) after t seconds is given by the following?
For t = 0.8 seconds and t = 7 seconds, the height of the rocket will be 28 m.
We are given that:
Initial velocity of the rocket = 39 m / s
Time = t seconds
h = 28 m
The equation of relationship between height and time is given as:
h = 39 t- 5 t²
Substituting the value of h is the equation, we get that:
28 = 39 t - 5 t²
5 t² - 39 t + 28 = 0
Using middle term splitting to find the values of t, we get that:
5 t² - 35 t - 4 t + 28 = 0
5 t ( t - 7 ) - 4 ( t - 7 ) = 0
(5 t - 4 ) ( t - 7 ) = 0
5 t - 4 = 0 and t - 7 = 0
5 t = 4 and t = 7
t = 0.8 and t = 7.
Therefore, for t = 0.8 seconds and t = 7 seconds, the height of the rocket will be 28 m.
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Your question was incomplete. Please refer the content below:
A model rocket is launched with an initial upward velocity of 39 m/s. The rocket's height (in meters) after t seconds is given by the following.
h = 39 t- 5 t²
Find all values of t for which the rocket's height is 28 meters. Round your answer(s) to the nearest hundredth.
Which expression is equivalent to (5-².35) ²?
O
O
33
0-30
O
54
54
310
54
310
Answer:
О [tex]\frac{5^{4} }{3^{10} }[/tex]
Step-by-step explanation:
(5⁻² * 3⁵) ⁻²
= 1 / (5⁻² * 3⁵)²
= 1 / ((5⁻²ˣ²)(3⁵ˣ²))
= 1 / ((5⁻⁴)(3¹⁰))
= 5⁴ / 3¹⁰
(8, -4) (3,8)
distance
Answer:
distance = 13
Step-by-step explanation:
The formula used to calculate the distance between two points given their coordinates is:
[tex]\boxed{\mathrm{distance = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}}}[/tex],
where [tex](x_1, y_1)[/tex] and [tex](x_2, y_2)[/tex] are the given coordinates.
In this question, we are given the coordinates (8, -4) and (3, 8).
Using these coordinates and the formula above, we can calculate the distance between the points:
[tex]\mathrm{distance = \sqrt{(3 - 8)^2 + (8- (-4))^2}}[/tex]
[tex]= \sqrt{(-5)^2+(12)^2}[/tex]
[tex]= \sqrt{25 + 144}[/tex]
[tex]= \sqrt{169}[/tex]
[tex]= \bf 13[/tex]
Therefore, the distance between the two points is 13 units.
> Read and try to solve the problem below.
Mei is building a raised bed in her garden to grow lettuce.
She wants the base of the bed to be a square with an area of
2 square meters. Find an approximate side length of the base
of the bed. Plot the value on the number line.
Side length of the base of the bed is √2.
What is square?A square is a plane shape with four equal sides and four right angles (90°). A square is an unique sort of parallelogram as well as an equilateral rectangle (an equilateral and equiangular one).
The bed's base will be square.
An area of 2 square meters.
So, the area A=a2 is 2=a2
So, the area of square is √2
Therefore, Side length of the base of the bed is √2
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Diego is moving to a new apartment and plans to rent a 16-foot moving truck for the
day. When he checks the cost of different rental companies, he finds that Rent-A-
Truck costs $59.95 a day plus $0.49 per mile. Sam's U-Drive costs $81 per day plus
$0.38 per mile. Austin needs to determine the mileage at which it is better to rent
from Rent-A-Truck and the mileage at which it is better to rent from Sam's U-Drive.
Let m represent the miles driven and let c represent the total cost. Write a system of
equations that represents this situation
Write the system. You do not need to solve.
Answer:
Rent-A-Truck-> 59.95+0.49m=c
Sam's U-Drive-> 81+0.38m=c
What is the formula for x^2-11x+10
Answer:
In the expression
[tex] {x}^{2} - 11x + 10[/tex]
a in the formula will be substituted for 1
b in the formula will be substituted for -11
c in the formula will be substituted for 10
The histogram below displays the scores for a class of 37 students on a recent exam. Scores on this exam ranged from 51 to 98 points out of 100. Let the function f map an exam score to the height of the bar whose interval contains that score
(a) The value of f(83) is 5.
(b) It may or may not happen.
(c) The value of f(95) is 9.
Here, the height of the bar gives the marks at that particular point.
From the observations we can see,
(a) The interval 80-85 marks is point at the mark of 5. It means that there are 5 students who has scored in the interval of 80-85.
So, as are function is the exam score to the height of the bar whose interval contains that score.
Hereby, our value of f(83) will be equal to 5.
f(83) = 5.
(b) As, the marks are distributed over an interval. It can't be said that if any students scored exactly 83 marks or not. But the conclusion that we can draw is, that these 5 particular students have scored between 80-85 for sure.
(c) The value of f(95) is equal to 9. as we can see that the interval is distributed in such a way that a group of five students is formed. and the last part of the interval is not included in the next interval. The interval here forms a pattern like this,
91-95, after that 96-100.
So here the value of f(95) will be 9.
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h(t)=\t+2\+3;find h(6)
For the given function, the value of h(t)=\t+2\+3 is for f(6) = 7
What is a function?A function is a means to explain what takes place with an input variable to produce an output result. We may find a set of output values if we consider a straightforward function, like multiply by three. Algebra can be used in place of Function = multiply by 3.
Before the t and after the 2, I'm going to presume that's an absolute value sign.
Absolute value brackets are treated similarly to parentheses, with the exception that the negative sign is removed once the contents have been thoroughly simplified. (If you still have variables, don't do that.)
In this instance, t equals 6 plus 2 equals 8. 8 has an absolute value of 8. Add 3 is 11.
so,
h(6) = 11.
What is H(-6) now?2 + -6 equals -4. 4 is -4's absolute value. Add 3 is 7.
so,
h(-6) is 7.
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Divisibility rules for 2, 5, and 10
Answer the questions below. Be sure to mark all answers that apply.
(a) Which numbers are divisible by 2?
(b) Which numbers are divisible by 5?
(c) Which numbers are divisible by 10?
145 891
O
O
O
890
X
None of these
O
Ś
Answer:
2 is divisible by 1 and all even numbers are divisible by 2 so that means 4 but 2 is not divisible by 8 and 9 is not divisible by 2 but 1 is.
5 is not divisible by 4. 5 is divisible by 5, 5 is not divisible by 8, 9 is not divisible by 5, 1 is not divisible by 5.
10 is divisible by 1, 4 is not, 5 is not, 8 is not, 9 is not divisible by 10 but 1 is.
Theresa commutes to work 16 days
each month. She travels 56 miles
round trip. Carl commutes to work
20 days each month; he also travels
56 miles round trip. Theresa works
12 months of the year, and Carl works
11 months. Who travels more in one
year?
Carl is outworked by Theresa in a given year.
What is work?
According to physics a push or pull in any substance which produces any displacement is called work. Activity in which one exerts strength or perform something or an activity that a person engages in regularly to earn a livelihood people looking for work.
Given:
Working day of Theresa/month=16
Working day of Carl/ month=20
Distance covered by Theresa in month= 56 miles round trip
Distance covered by Carl in month=56 miles round trip
Calculation
Distance covered by Theresa in month=56*2
Distance traveled by Theresa in a year=112*12
Distance traveled by Theresa in a year=1344 miles
Distance covered by Carl in month=112 miles
Distance traveled by carl in a year=112*11
Distance traveled by carl in a year=1232 miles
As the distance covered by Theresa is more than carl.
So Theresa travel more distance.
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A storm causes 23,890 homes to be without power on the east side of the city and 18,370 homes to be without power on the West side about how many homes altogether are without power
58000Thousands= millions
Using the mathematical operation of multiplication, the value, 58000Thousands = 58 million.
What are mathematical operations?Mathematical operations are the ways mathematical expressions and values can be manipulated.
The basic mathematical operations include addition, subtraction, division, and multiplication.
Data and Calculations:58000Thousands converted into millions
= 58,000,000 (58,000 x 1000)
= 58 million
Thus, using the mathematical operation of multiplication, the value, 58000Thousands = 58 million.
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In the number 98.48, what will you multiply by to get rid of the decimal?
Based on the number, 98.48, the number you need to multiply by to get rid of the decimal is 100.
What number should you multiply by to remove the decimal?The number that you multiply a number with if you want to remove the decimal has to be a power of 10. The power of 10 used will depend on the number of figures after the decimal.
If there is a single number after the decimal point, then multiply by 10.
If there are two numbers after the decimal point, multiply by 100.
If there are three numbers after the decimal point, multiply by 1,000.
In the case of 98.48, there are two number after the decimal point so you'll multiply by 100 to get:
= 98.48 x 100
= 9,848
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