February 27, 2017

Homework Help: satistics

Posted by badel on Thursday, November 18, 2010 at 11:50pm.

The average time a student spends studying just prior to a test is 36 minutes with a standard deviation of 5 minutes. This distribution approximates a normal curve. Find the percent of students who study just prior to the test for. a) more than 40 minutes b) between 35 and 45 minutes

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