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The Population of Lengths of Aluminum-Coated Steel Sheets Is Normally

Question 59

Multiple Choice

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of .2 inches. What is the probability that a randomly selected sample of 4 sheets will have an average length of less than 29.9 inches long?


A) .0668
B) .9332
C) .0014
D) .4404

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