Mathematics, 19.12.2019 00:31, ritiguda
The distribution of the scores on a certain exam is n(3030,55), which means that the exam scores are normally distributed with a mean of 3030 and standard deviation of 55. a. sketch the curve and label, on the x-axis, the position of the mean, the mean plus or minus one standard deviation, the mean plus or minus two standard deviations, and the mean plus or minus three standard deviations. b. find the probability that a randomly selected score will be between 2020 and 4040. shade the region under the normal curve whose area corresponds to this probability.
Answers: 3
Mathematics, 21.06.2019 21:00, manasangreddy2921
Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d. y +14z
Answers: 1
Mathematics, 21.06.2019 21:30, shelbysargent11
Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason βcannot be determined.β carbon - regular hexagon. βcan β
β by
Answers: 1
Mathematics, 21.06.2019 21:50, elsauceomotho
Which value of y will make the inequality y< -1 false?
Answers: 2
The distribution of the scores on a certain exam is n(3030,55), which means that the exam scores are...
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