Mathematics, 22.07.2021 07:30, adejumoayobami1

The amount of time customers spend waiting in line at a bank is normally distributed, with a mean of 3.5 minutes and a standard deviation of 0.75 minute. Find the probability that the time a customer spends waiting is as follows. (Round your answers to three decimal places.) (a) less than 4 minutes (b) less than 2 minutes

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The amount of time customers spend waiting in line at a bank is normally distributed, with a mean of...