Question: Please Help ! With explanation if possible. This class hurts my brain. The distribution of the amount of money spent by students on textbooks in

Please Help ! With explanation if possible. This class hurts my brain.

The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of 491 and a standard deviation of 23. According to the standard deviation rule, approximately 68% of the students spent between $ and $ on textbooks in a semester

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