Suppose that a random sample of size 64 is to be selected from a population with mean
Question:
a. What are the mean and standard deviation of the x sampling distribution? Describe the shape of the x sampling distribution.
b. What is the approximate probability that x will be within 0.5 of the population mean m?
c. What is the approximate probability that x will differ from m by more than 0.7?
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Step by Step Answer:
a x 40 and x n 5 64 0625 Since n 64 30 the distribu...View the full answer
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Related Book For 
Statistics The Exploration & Analysis Of Data
ISBN: 9780840058010
7th Edition
Authors: Roxy Peck, Jay L. Devore
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