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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.

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The distribution of the amount of money spent by students on textbooks in a semester is Type numbers in the boxes. approximately normal in shape with a mean of: /= 316 and a standard deviation of: 0= 28. 10 points According to the standard deviation rule, almost 0.15% of the students spent more than what amount of money on textbooks in a semester

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