Question
A normal population has a mean of 61 and a standard deviation of 22. You select a random sample of 35. Use Appendix B.1 for
A normal population has a mean of 61 and a standard deviation of 22. You select a random sample of 35. Use Appendix B.1 for the z-values.
Compute the probability that the sample mean is:
a. Greater than 64.
b. Less than 57.
c. Between 57 and 64.
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standard deviation sigma 22 sigmabar x sigma sqrtn 22 sqrt35 37187 a Pbar x 64 1 Pb...
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Statistical Techniques In Business And Economics
Authors: Douglas Lind, William Marchal
16th Edition
78020522, 978-0078020520
