Statistical Techniques in Business and Economics
Statistical Techniques in Business and Economics
18th Edition
ISBN: 9781260579611
Author: Douglas Lind; William Marchal; Samuel Wathen
Publisher: MCGRAW-HILL HIGHER EDUCATION
Question
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Chapter 8, Problem 16E

(a)

To determine

To describe: The sampling distribution of the sample means with n=40 and the necessary condition to apply the central limit theorem.

(b)

To determine

To find: The standard error of the sampling distribution of the sample means.

(c)

To determine

To find: The probability that a sample mean is less than 74.

(d)

To determine

To find: The probability that a sample mean is between 74 and 76.

(e)

To determine

To find: The probability that a sample mean is between 76 and 77.

(f)

To determine

To find: The probability that the sampling error x¯μ would be 1.50 or less.

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