Question: Use the following information. At a certain customer call-in center, the customer hold time is normally distributed with a mean of 5.2 min and a

Use the following information. At a certain customer call-in center, the customer hold time is normally distributed with a mean of 5.2 min and a standard deviation of 1.4 min.

According to the empirical rule, what percentage of hold times are between 3.8 min and 6.6 min?

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