Mathematics, 19.10.2019 04:20 smith5845
Exam grades: scores on a statistics final in a large class were normally distributed with a mean of 80 and a standard deviation of 9. use the ti-84 plus calculator to answer the following. round the answers to at least four decimal places. (a) what proportion of the scores were above 93? (b) what proportion of the scores were below 64? (c) what is the probability that a randomly chosen score is between 72 and 90?
Answers: 2
Mathematics, 21.06.2019 20:00
Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?
Answers: 3
Mathematics, 21.06.2019 21:00
Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path
Answers: 1
Mathematics, 22.06.2019 04:00
Order the integers from least to greatest. =0 =1 =2 =3 = -3
Answers: 2
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