The mean precipitation for Miami in August is 8.9 inches. Assume that the standard deviation is 1.6
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The mean precipitation for Miami in August is 8.9 inches. Assume that the standard deviation is 1.6 inches and the variable is normally distributed.
a. Find the probability that a randomly selected August month will have precipitation of less than 8.2 inches. (This month is selected from August months over the last 10 years.)
b. Find the probability that a sample of 10 August months will have a mean of less than 8.2 inches.
c. Does it seem reasonable that a randomly selected August month will have less than 8.2 inches of rain?
d. Does it seem reasonable that a sample of 10 months will have a mean of less than 8.2 months?
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Related Book For
Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman
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