Refer to Exercise 7.21. Find the probability that the sample mean is greater than 55. Exercise 7.21
Question:
Exercise 7.21
A random sample of size n = 49 is selected from a population with mean µ = 53 and standard deviation σ = 21.
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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