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March 29, 2015

Homework Help: Statistics

Posted by Sue on Wednesday, April 20, 2011 at 4:20pm.

length of time in minutes required to complete exercises is distributed with a mean of 60 minutes and a std. deviation of 8 minutes. what percent will require between 60 and 76 minutes to complete the exercises? what percent of participants will require more than 72 minutes to complete th exercises? what percent will require between 50 and 72 minutes to complete the exercises?

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