Question

Determine μx̄, and σx̄, from the given parameters of the population and the sample size. Round...

Determine μx̄, and σx̄, from the given parameters of the population and the sample size. Round the answer to the nearest thousandth where appropriate.

μ = 58, σ = 25, n = 25

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Solution :

Given that ,

mean = = 58

standard deviation = = 25

n = 25

sample distribution of sample mean is ,

=

= 58

sampling distribution of standard deviation

=  / n = 25/ 25

= 5

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Determine mu Subscript x overbarμx and sigma Subscript x overbarσx from the given parameters of the...
Determine mu Subscript x overbarμx and sigma Subscript x overbarσx from the given parameters of the population and the sample size. Round the answer to the nearest thousandth where appropriate. u= 40​ σ= 8 n=23 A. mu Subscript x overbarμx=40​, sigma Subscript x overbarσx=1.668 B. mu Subscript x overbarμx=.094​, sigma Subscript x overbarσx=.668 C.mu Subscript x overbarμx=40 sigma Subscript x overbarσx=0.348 D. mu Subscript x overbarμx=40 sigma Subscript x overbarσx=8
1, Determine μx and σx from the given parameters of the population and sample size. μ=...
1, Determine μx and σx from the given parameters of the population and sample size. μ= 80​, σ= 27​, n= 81 ux = σx = 2, A certain flight arrives on time 8080 percent of the time. Suppose 117117 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that ​(a) exactly 103 flights are on time. ​(b) at least 103 flights are on time. ​(c) fewer than 99 flights are on time. ​(d) between...
A population has parameters μ=126.3μ=126.3 and σ=57.9σ=57.9. You intend to draw a random sample of size...
A population has parameters μ=126.3μ=126.3 and σ=57.9σ=57.9. You intend to draw a random sample of size n=221n=221. What is the mean of the distribution of sample means? μ¯x=μx¯= What is the standard deviation of the distribution of sample means? (Report answer accurate to 2 decimal places.) σ¯x=σx¯=
A population has parameters μ=126.3μ=126.3 and σ=57.9σ=57.9. You intend to draw a random sample of size...
A population has parameters μ=126.3μ=126.3 and σ=57.9σ=57.9. You intend to draw a random sample of size n=221n=221. What is the mean of the distribution of sample means? μ¯x=μx¯= What is the standard deviation of the distribution of sample means? (Report answer accurate to 2 decimal places.) σ¯x=σx¯=
Suppose that we take a random sample of size n from a population having a mean...
Suppose that we take a random sample of size n from a population having a mean μ and a standard deviation of σ. What is the probability or confidence we have that our sample will be within +/- 1 of the population mean μ? (a) μ = 10, σ = 2, n = 25
Use the given information to find the minimum sample size required to estimate an unknown population...
Use the given information to find the minimum sample size required to estimate an unknown population mean μ. 13) Margin of error: $127, confidence level: 95%, σ = $58
Let a random sample be taken of size n = 100 from a population with a...
Let a random sample be taken of size n = 100 from a population with a known standard deviation of \sigma σ = 20. Suppose that the mean of the sample is X-Bar.png= 37. Find the 95% confidence interval for the mean, \mu μ , of the population from which the sample was drawn. (Answer in CI format and round the values to whole numbers.)
a) Determine the most conservative sample size for the estimation of the population proportion of the...
a) Determine the most conservative sample size for the estimation of the population proportion of the following E= 0.026, confidence level= 95% Round your answer up to the nearest whole number. n=_____ b) Determine the sample size for the estimate ? for the following. E= 1.55, ?= 5.82, confidence level= 96% Round your answer up to the nearest whole number. n=_____
A random sample of size 14 was taken from a normally distributed population with a population...
A random sample of size 14 was taken from a normally distributed population with a population mean 25 and a population standard deviation 6. Determine each of the following about the sampling distribution of the sample mean. Round your answer to at least 3 decimal places where appropriate. a) μx_= b) σx_= c)  Can we conclude that the sampling distribution of the sample mean is normal? Yes or No
A random sample of size 27 was taken from a normally distributed population with a population...
A random sample of size 27 was taken from a normally distributed population with a population mean 29 and a population standard deviation 7. Determine each of the following probabilities. Round your answer to at least 3 decimal places where appropriate. a) P(Xˉ>26)= b) P(Xˉ≤26)= c) P(24<Xˉ<25)=
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT