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

Question 67

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 0.3 inches.What is the probability that average length of a steel sheet from a sample of 9 units is more than 29.95 inches long?


A) 4602
B) 8413
C) 1587
D) 5397

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