The mean checkout time in the express lane of a large grocery store is 2.7 minutes, and the standard deviation is 0.6 minutes. T
he distribution of checkout times is non-normal (for one thing, it can be a lot longer than 2.7 minutes, but it can only be so short). (a) What is the probability that a randomly-selected customer will take less than 3 minutes?
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Answer:
$16
Step-by-step explanation: