Mathematics, 13.01.2021 20:00 lolirdc
Zoey earned a score of 51 on Exam A that had a mean of 46 and a standard deviation of 10. She is about to take Exam B that has a mean of 650 and a standard deviation of 40. How well must Zoey score on Exam B in order to do equivalently well as she did on Exam A? Assume that scores on each exam are normally distributed.
Answers: 1
Mathematics, 22.06.2019 04:10
A. 2.3y +2 +3.1y = 4.3y + 1.6 + 1.1y + 0.4 b. + 25 - = c. 5/8x + 2.5 = 3/8x + 1.5 + 1/4x d. 1/3 + 1/7y = 3/7y
Answers: 2
Mathematics, 22.06.2019 04:30
The width of a piece of rectangular land is 5m shorter rhan 1/3 of its length .find the width of the land if the length is 60m,150m.
Answers: 3
Zoey earned a score of 51 on Exam A that had a mean of 46 and a standard deviation of 10. She is abo...
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