Mathematics, 05.07.2020 14:01 allisonmoon9012
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 all (99.7%) of the students spent on textbooks in a semester:.A. Between 230 and 240 dollars. B. Between 220 and 250 dollars. C. Between 175 and 295 dollars. D. Less than 220 dollars or more than 250 dollars. E. Less than 230 dollars or more than 240 dollars.
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The distribution of the amount of money spent by students for textbooks in a semester is approximate...
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