A population has a mean of 50 and a standard deviation of 10. If a random sample
Question:
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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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
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
Question Posted:
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