The diameter of a steel ball is normally distributed, with a mean of 0.4 inches and a variance of 0.


Question: The diameter of a steel ball is normally distributed, with a mean of 0.4 inches and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.44 inch.

0.4772, 0.5228, 0.0400, 0.0228

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