A population of values has a normal distribution with μ= 180.1
and σ=100. You intend to draw a random sample of size n=94

What is the mean of the distribution of sample means?

What is the standard deviation of the distribution of sample means?
(Report answer accurate to 2 decimal places.)

Answers

Answer 1

A sample of size n taken from a normally distributed population with mean µ and standard deviation σ has a sample mean of µ and standard deviation of σ/√n.

So the sample mean would still be 180.1, while the sample standard deviation would be 100/√94 ≈ 10.31.


Related Questions

A ant runs 45 inches in 15 seconds, a snail crawls 12 inches in 3 seconds. Who is faster? I need help please and thank you :)

Answers

45in/ 15 sec= 3in/sec

12in/ 3 sec = 4 in/sec

The snail moves at a faster rate then the ant does

Answer:

the snail

Step-by-step explanation:

in order to find who is faster you have to find how many inches each one does in one sec

Ant= 45/15 which is 3 inches per sec.

snail=12/3 which is 4 inches per sec.

so from the above calculations we can see that according to the question given a snail crawls faster than an ant runs

I hope this helps

Ms. Jackson wants to rent a van for a week. It will cost the weekly fee plus $0.80 per mile driven. Let m = the number of miles Ms. Jackson drives during the week. Use this information and the table to answer 13-15.​

Answers

ANSWER: In order to calculate the total amount that Ms. Jackson will need to pay for renting we need to multiply the number of miles that she will drive by the price per mile driven. Once we have that product we can simply add the weekly fee (w) to it which will give us the total (T) amount that Ms. Jackson will have to pay for her trip. This can all be combined into the formula: T = w + 0.90m

Compare the proportional relationships. Which represents the greatest price per pound for walnuts?

Answers

Answer:

the table which is the second choice

Step-by-step explanation:

Option A:

1.5 lb bag for $12.99

unit price: $12.99/(1.5 lb) = $8.66/lb

Option B:

unit price: $2.8/(0.2 lb) = $14/lb

Option C:

For the weight of 1 lb, the cost is $10.

unit price: $10/lb

Answer:

the table which is the second choice

Helppppppppppppppppppp

Answers

Answer:

<6

<4

Step-by-step explanation:

Remote interior angle is an interior angle that is not adjacent to the exterior angle of interest.

<6

<4

Which term is defined as the distance from the center of a circle to any point on the circle?
A. Directrix
B. Diameter
C. Circumference
D. Radius​

Answers

Answer:

radius is the distance from the center of circle to any point of the circle.

The chart below shows the number of tickets to the annual teachers VS.
students basketball game. What was the most number of tickets sold?

A. 12

B. 31

C. 40

D. 60

Answers

The answer to this question is A. 12

The most no. of tickets sold is 60.

What is bar graph?

The pictorial representation of data in the form of vertical or horizontal rectangular bars, whose length is proportional to the data's measurement, is known as a bar graph. Data are typically grouped in this way. Bar charts are another name for them. In statistics, bar graphs are one way to handle data.

Given  the graph between total student and number of ticket sold,

where students shown in Y axis and tickets sold in X axis,

as Shown in graph maximum number of tickets sold are 51 to 60

Hence the maximum number of ticket sold is 60.

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Which of the following expressions are equivalent?

1. 6(a + 2)

2. 6a + 12

3.(2a + 4)


A). Only expressions 1 and 2 are equivalent.

B). Only expressions 1 and 3 are equivalent.

C). Only expressions 2 and 3 are equivalent.

D). Expressions 1, 2, and 3 are equivalent.

HELP QUICCK PLSSS

Answers

1 and 2 are equivalent

Michael has 13 dollars in his wallet. His father gives him his allowance for the week. Now Michael has 18 dollars. How many dollars did Michael's father give him?

Answers

Answer: 5 Dollars

Step-by-step explanation: You only have to substract 13 of 18, the answer of that is 5.

18-13=5
Michaels after give him $5

i borrowed 500 rupess from each of my two friends 250+250 = 500 i bought a shirt of 450 that is 500-450= 50 i lost 30 rupees that is 50-30 = 20 i returned 10 rupees to my one friend and 10 rupees to the other to whom i borrowed 250 and 250 now as i gave them 10 and 10 back now i owe them 240 and 240 if we calculate 240+240= 480+30 that i lost equals to 240+240+30 = 510 when i borrowed only 500 where from these 10 rupees came..​

Answers

Do it yourself because I am not going to help you

I need help please I don’t know what to it is due today

Answers

Answer:

12 blue necklaces + 12 red necklaces = 24 necklaces. He will have 1 blue bead left over and 1 red bead left over.

Step-by-step explanation:

37/3 = 12.333 or 12 r1

25/2= 12.5 or 12 r1

1+1=2

1 red and 1 blue bead left over

Two linear equations are represented by using the tables below.
The data points for equation A are plotted on the coordinate plane below and are connected by using a straight line.
What is the solution to the system of equations?
A. (–6, –4)
B. (–5, –4)
C. (–3, –2)
D. (0, 1)

Answers

Answer:(-3,-2)

Step-by-step explanation:i did the test

Answer: C -3,-2

Step-by-step explanation:

help!!?1!1!1!1!1!1!1?1?1!?1?1!1?1!1?1?1?1?1??1?1!1

Answers

Joshua: 143.826 grams

Phoebe: 144 grams

Oliver: Unsure, but for sure what shouldn't happen

Joshua (advantage): It is actually good to include decimals into your information because more information helps assist in experiments with proper results but you must also not include unnessessary information

Phoebe (disadvantage): You should include decimals in information, especially relating to scale weighing and her method lacks decimals

Oliver (disadvantage): This experiment already involves grams and therefore you shouldn't change the form of measurement unless it requests for it to happen

Joshua: 143.826 grams (advantageous)

Phoebe: 144 grams (Disadvantage)

Oliver: Disadvantage

What is Rounding off?

Changing a number's digits so that it approximates a value is known as rounding a number. The provided number is more simply represented by this value. For instance, 700,000 rather than 698,869 could be used to express a town's population.

Joshua:

Although it is beneficial to add decimals in your data since more information aids in experiments producing accurate results, you should avoid including unnecessary information.

Phoebe's method lacks decimals, which is a drawback because it pertains to scale weighing and you should include them in information.

Oliver : As this experiment already uses grammes, you shouldn't modify the units of measurement until specifically instructed to do so.

Learn more about Rounding off here:

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If 108 is added to a number, it will be 5 times as large as it was originally. Find the number.

Answers

Answer:

27

Step-by-step explanation:

let th original number=x

x+108=5x

5x-x=108

4x=108

x=108/4=27

If x = -2 is a solution to the systems shown below, then which of the following must be the value of m? (Hint, substitute to find y, then substitute again to find m)

y = 4x+ 10
y = mx - 4

overthinking for nooo reason ​

Answers

If x = -2 satisfies the system, then

y = 4x + 10 = 4(-2) + 10 = -8 + 10 = 2

so that

y = mx - 4   ⇒   2 = -2m - 4

Solve for m :

2 = -2m - 4   ⇒   2m = -6   ⇒   m = -3

Please see all the screenshots. I have included multiply problems in this one question.

Answers

Answer:

so basacilly the answer to all of the question is a

Step-by-step explanation: you welcome!

The Rahul ages of and pushti are in the ratio 3 ratio 5 four years later the sum of their ages will be 48 what are their present ages​

Answers

Answer:

Rahul is 15, Pushti is 25

Step-by-step explanation:

Rahul age = r, Pushti age = p

Equations according to given info:

r / p = 3 / 5 ⇒ r = 3p/5r + 4 + p + 4 = 48 ⇒ r + p = 40 ⇒ r = 40 - p

Compare the two equations and solve for p:

3p/5 = 40 - p3p = 200 - 5p3p + 5p = 2008p = 200p = 200/8p = 25

Find the value of r:

r = 40 - 25 r = 15

Write 762.238 correct to 2 decimal places

Answers

Answer:

762.24

Step-by-step explanation:

Rounded to the hundredth place

Jamal wrote that 9 – 8.4 = 6
A) less than
B)greater than
need answer for both drop down menu

Answers

Answer:

See below

Step-by-step explanation:

9 and 8.4 are less than 1 apart, so 9-8.4 must be less than 1. The actual difference is 9-8.4=0.6 which verifies that our answers are true since 0.6<1.

If you have three apples, and Jamal takes two.... what color is Jamal?

Answers

Answer:

Black

Step-by-step explanation:

Does anyone know how to solve this?
The answer is B but can anyone explain it please

Answers

Answer: sorry no

Step-by-step explanation: sorry i dont want to explain it.

Part A. What is the unit rate in dollars per hour for each company?


The unit rate for the 1st company is 2,86.


The unit rate for the 2nd company is 2,50.



Part B. Analyze Relationships Which company offers the best deal? Explain your answer.




Part C. What if? Another company offers a rate of $0.05 per minute. How would you find the unit rate per hour?

Answers

Answer:

i thinks its

the unot rate for the 1st company is 2,86

Step-by-step explanation:

Pls look at picture for question

Answers

Step-by-step explanation:

30/6+3 = 5+3 = 8

hope this helps you.

Henlo, wutt comes next?
a=6a+6-1
a=6a+5
=?

Answers

Step-by-step explanation:

[tex] - 6a + a = 5 \\ a + a = \frac{ - 5}{6} \\ 2a = \frac{ - 5}{6} \\ a = \frac{ - 5}{6} \div 2 \\ a = - \frac{5}{12} [/tex]

The data set represents the total number of tickets each person purchased for a play.
0, 0, 1, 1, 1, 2, 2, 2, 4, 4.
What is the median of the data?
0 1
0 1.5
2.
ОО
0 2.5

Answers

the median is 1.5, hope this was helpful :)
The median was around 1.5

NEED NOW PLEASE..........

Answers

Answer:

The answer is 6 feet below the surface of the water.

Step-by-step explanation:

So the fish started out as 12m below the surface then went 3m down. If you add 12m and 3m you'll 15m, then minus with a 9m to came up with 6m. But the fish is still below surface, which gives you the answer of " 6 feet below the surface"

Hopes this helped you :)

Can someone help me please I will mark u brilliant

Answers

Answer:

i believe it would be likely

Step-by-step explanation:

hope this helps! :D

have a miraculous day!! <3

Is it possible to have a bounded feasible region that does not optimize an objective function?

Answers

Feasible sets may be bounded or unbounded. ... If the feasible set is unbounded, there may or may not be an optimum, depending on the specifics of the objective function.

It is not possible to have a bounded feasible region that does not optimize an objective function.

What is the feasible region?

The viable zone is the common area that the linear programming problem's constraints all dictate.

There is an optimum value of the objective function if the feasible region is bounded and the function attains its optimum values at the extremes of the feasible region.

Hence,  it is not possible to have a bounded feasible region that does not optimize an objective function.

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PLEASE HELP ASAP I REALLY NEED HELP


Evaluate the function for x = 2 and x = 7, when f(x) = -4x + 61

Answers

for x=2....value will be 53

for x=7.....value will be 33

brainliest......

Which expression shows a way to find 20% of 950

1/20 / 950

1/20 • 950

1/5 • 950

1/5 / 950

Answers

Answer:

C

Step-by-step explanation:

20% x 950

Calculate 20% x 950 = 190

Match the options one by one and there

Answer:

C: 1/5 · 950

Step-by-step explanation:

I got it correct on I-ready.

Hope this helps!!

20.4 is what percent of 17?

Answers

Answer:

120%

Step-by-step explanation:

20.4 ÷ 17 = 1.2

1.2 · 100 = 120%

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