November 29, 2015

Homework Help: statistics

Posted by Pat on Tuesday, March 27, 2012 at 8:53pm.

The time it takes Jessica to bicycle to school is normally distributed with an average of a third of an hour and a variance of 9 minutes. Jessica has to be at school at 8:15 am. What time should she leave the house so she will be late on 5% of the time?

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