Multiple Choice
Based on historical data,the diameter of a ball bearing is normally distributed with a mean of 0.527 cm and a standard deviation of 0.008 cm.Suppose that a sample of 18 ball bearings is randomly selected from a very large lot.Determine the probability that the average diameter of a sampled ball bearing is greater than 0.530 cm.
A) 0.2324
B) 0.4938
C) 0.5062
D) 0.0559
Correct Answer:
Verified
Correct Answer:
Verified
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