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 0.2 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
Correct Answer:
Verified
Correct Answer:
Verified
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