A normal population has a mean of 75 and a standard deviation of 5. You select a

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A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability the sample mean is:

a. Less than 74.

b. Between 74 and 76.

c. Between 76 and 77.

d. Greater than 77.

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Statistical Techniques in Business and Economics

ISBN: 978-0078020520

16th edition

Authors: Douglas Lind, William Marchal

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Question Posted: Dec 10, 2014 07:47 AM

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A normal population has a mean of 75 and a standard deviation of 5. You select a

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a z So probability is 01038 found by 050...View the full answer

Statistical Techniques in Business and Economics

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