Ionly need on questions 3 and 4. worth 30 pts.
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Answers: 3
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 21:30
Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)
Answers: 1
Mathematics, 21.06.2019 22:30
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 1
Mathematics, 03.08.2019 17:30
History, 03.08.2019 17:30
Mathematics, 03.08.2019 17:30
Physics, 03.08.2019 17:30
Mathematics, 03.08.2019 17:30
History, 03.08.2019 17:30
English, 03.08.2019 17:30
Mathematics, 03.08.2019 17:30
English, 03.08.2019 17:30