A normal population has a mean of 77 and a standard deviation of 8. You select a
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Question:
A normal population has a mean of 77 and a standard deviation of 8. You select a sample of 36. Use Appendix B.1 for the z values.
Compute the probability that the sample mean is: (Round the z values to 2 decimal places and the finalanswers to 4 decimal places.)
a. Less than 74.
Probability
b. Between 74 and 80.
Probability
c. Between 80 and 81.
Probability
d. Greater than 81.
Probability
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