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SAT, 01.12.2021 06:00 coreen9

In melanie's styling salon, the time to complete a simple haircut is normally distributed with a mean of 25 minutes and a standard deviation of 4 minutes. For a simple haircut, the middle 90 percent of the customers will require.

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In melanie's styling salon, the time to complete a simple haircut is normally distributed with a mea...
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