Chapter 7.3, Problem 2LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

What is the probability of obtaining a sample mean greater than *M* = 60 for a random sample of *n =* 16 scores selected from a normal population with a mean of μ = 65 and a standard deviation of σ = 20?

To determine

**To find:** The probability of obtaining a sample mean greater than

Explanation

**Given info:**

The sample is selected from a population with a mean of

**Calculation:**

*The formula for calculating the z-score:*

Where,

Substitute the values in the above formula is as follows:

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