Question

A population has a mean of 200 and a standard deviation of 50. A sample of size 100 will be taken and the sample mean will be used to estimate the a. What is the expected value of x? b. What is the standard deviation of x? c. 18. population mean Show the sampling distribution of x What does the sampling distribution of i show?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Siven thod a) e expected value at is pling Sav-ple mean

Add a comment
Know the answer?
Add Answer to:
A population has a mean of 200 and a standard deviation of 50. A sample of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A large population has a mean of 400, a standard deviation of 50, and is skewed...

    A large population has a mean of 400, a standard deviation of 50, and is skewed right. For samples of size n=100 obtained from this population, the sampling distribution of the sample means has mean fe and standard deviation 0. Which of the following sets of graphs correctly display the population distribution and the sampling distribution of the sample means of size 100? Please note that the x-axis values differ within and across the options. A) Population Distribution Sampling Distribution...

  • A population has a mean of 400 and a standard deviation of 50. Suppose a sample...

    A population has a mean of 400 and a standard deviation of 50. Suppose a sample of size 100 is selected and I is used to estimate u. Use z-table. a. What is the probability that the sample mean will be within +9 of the population mean (to 4 decimals)? b. What is the probability that the sample mean will be within +13 of the population mean (to 4 decimals)? A population proportion is 0.3. A sample of size 300...

  • A population has a mean of 200 and a standard deviation of 90. Suppose a sample...

    A population has a mean of 200 and a standard deviation of 90. Suppose a sample of size 100 is selected and X-Bar is used to estimate. Use z-table. A. What is the probability that the sample mean will be within +/- 9 of the population mean (to 4 decimals)? B. What is the probability that the sample mean will be within +/- 16 of the population mean (to 4 decimals)?

  • A population has a mean of 200 and a standard deviation of 60. Suppose a sample...

    A population has a mean of 200 and a standard deviation of 60. Suppose a sample of size 100 is selected and is used to estimate . What is the probability that the sample mean will be within +/- 6 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.)

  • a population has a mean of 200 and a standard deviation of 60. suppose a sample...

    a population has a mean of 200 and a standard deviation of 60. suppose a sample of size is 100 is selected and sample mean is used to estimate the mean. Use z table. a. what is the probability that the sample mean will be within +/-7 of the population mean (to 4 decimals) b. what is the probability that the sample mean will be within +/-16 of the population mean (to 4 decimals) round z value in intermediate calculations...

  • A population has a mean of 200 and a standard deviation of 80. Suppose a sample...

    A population has a mean of 200 and a standard deviation of 80. Suppose a sample of size 100 is selected and x̅ is used to estimate μ. a. What is the probability that the sample mean will be within +/- 9 of the population mean (to 4 decimals)? b. What is the probability that the sample mean will be within +/- 14 of the population mean (to 4 decimals)?

  • A population has a mean of 200 and a standard deviation of 60. Suppose a sample...

    A population has a mean of 200 and a standard deviation of 60. Suppose a sample of size 100 is selected and  is used to estimate . What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)? What is the probability that the sample mean will be within +/- 16 of the population mean (to 4 decimals)?

  • Video A population has a mean of 200 and a standard deviation of 80 . Suppose a sample of size 10...

    Video A population has a mean of 200 and a standard deviation of 80 . Suppose a sample of size 100 is selected and is used to estimate μ. Use z-table. a. What is the probability that the sample mean will be within +9 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.) b. What is the probablity that the sample mean will be within 13 of the population mean (to 4...

  • A population has a mean of 200 and a standard deviation of 60. Suppose a sample...

    A population has a mean of 200 and a standard deviation of 60. Suppose a sample of size 125 is selected and x-bar is used to estimate µ . Use z-table. a.) What is the probability that the sample mean will be within ±3 of the population mean (to 4 decimals)? b.) What is the probability that the sample mean will be within ±14 of the population mean (to 4 decimals)?

  • A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10

    A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10.    * a. This sample of 36 has a mean value of , which belongs to a sampling distribution. Find the shape of this sampling distribution.    * b. Find the mean of this sampling distribution.    * c. Find the standard error of this sampling distribution.    * d. What is the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT