Please help, and 20 PTS to whoever gets it right
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Answers: 2
Mathematics, 21.06.2019 20:00
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, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 22:00
Percent increase and decrease. original number: 45 new number: 18
Answers: 1
Computers and Technology, 18.12.2019 18:31