The length of time to perform an oil change at a certain shop is normally distributed with
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The length of time to perform an oil change at a certain shop is normally distributed with mean 29.5 minutes and standard deviation 3 minutes. What is the probability that a mechanic can complete 16 oil changes in an eight-hour day?
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Let X 1 X 16 be the times needed to complete 16 oil changes Let T X 1 X 16 b...View the full answer
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