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(c) Express parts (i), (ii), and (iii) of part (b) in one of the following forms: Pla a). Scores on a standardized test have a
(c) Express parts (i), (ii), and (iii) of part (b) in one of the following forms: Pla a). Scores on a standardized test have a mean of 500 and a standard deviation of 100. Let x represent a student's test score. In the following probability distribution, assume a symmetric distribution. .3413 .3413 .1359 . 1359 300 400 500 600 700 What is the probability that a randomly selected student will score (a) Higher than 700 or less than 300? (b) Higher than the mean? (c) Between 600 and 700? (d) Lower than 600? (e) Between 300 and 500? (f) Within one standard deviation of the mean? (g) Within two standard deviations of the mean
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