A normal population has a mean of 61 and a standard deviation of 22. You select a

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A normal population has a mean of 61 and a standard deviation of 22. You select a random sample of 35. Use Appendix B.1 for the z-values.

Compute the probability that the sample mean is:

a. Greater than 64.

b. Less than 57.

c. Between 57 and 64.

Related Book For answer-question

Statistical Techniques in Business and Economics

ISBN: 978-0078020520

16th edition

Authors: Douglas Lind, William Marchal

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Posted Date: Jul 09, 2022 04:25 AM

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A normal population has a mean of 61 and a standard deviation of 22. You select a

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standard deviation sigma 22 sigmabar x sigma sqrtn 22 sqrt35 37187 a Pbar x 64 1 Pb... View the full answer

Statistical Techniques in Business and Economics

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