Question: The time required to assemble an electronic component is normally distributed with a mean of 12 minutes and a standard deviation of 1.5 min. Find

The time required to assemble an electronic component is normally distributed with a mean of 12 minutes and a standard deviation of 1.5 min. Find the probability that the average time required to assemble a sample of nine components is greater than 13 minutes.

2.28%

25.14%

97.72%

6.68%

74.86%

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