Question: Find and interpret the z-score of a hold time of 8.7 min. Use the following information. At a certain customer call-in center, the customer hold

Find and interpret the z-score of a hold time of 8.7 min.

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

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