Mathematics, 13.02.2020 21:22 genesisprieto11
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. According to the standard deviation rule, almost 2.5% of the students spent more than on textbooks in a semester. A. $195B. $215C. $235D. $275E. $295
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