Can someone me with question 20. and show work so i can understand it
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Mathematics, 07.11.2019 21:31, AduMaggu3944
Can someone me with question 20. and show work so i can understand it
Answers: 3
Mathematics, 21.06.2019 20:00, Chen5968
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 20:00, jennywarmJones
15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
Answers: 1
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