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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
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Mathematics, 21.06.2019 21:40, angellynn581
The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.
Answers: 1
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Mathematics, 22.06.2019 00:30, braydenmcd02
Hi iโm not sure how to do question 20 if u could explain how to do it thatโd b great
Answers: 1
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1+1+1+1+1+1+1+874582+24627+7847249...
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