A population has a mean of 50 and a standard deviation of 10. If a random sample

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A population has a mean of 50 and a standard deviation of 10. If a random sample of 64 is taken, what is the probability that the sample mean is each of the following?

a. Greater than 52

b. Less than 51

c. Less than 47

d. Between 48.5 and 52.4

e. Between 50.6 and 51.3

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Business Statistics for Contemporary Decision Making

ISBN: 978-0470910184

6th Edition

Authors: Ken Black

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Question Posted: Mar 19, 2013 04:25 AM

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A population has a mean of 50 and a standard deviation of 10. If a random sample

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50 10 n 64 a P 52 z 16 From Table A5 Prob 4452 P 52 5000 4452 0548 b P 51 z 080 From Table A5 prob 2...View the full answer

Business Statistics for Contemporary Decision Making

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