The mean for a set of scores is 100 and the standard deviation is 7.5. Find the probability that a randomly selected score is between
a. 85 and 100.
b. between 85 and 115
c. less than 100
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Home » Mathematics » Use the normal distribution bell curve. The mean for a set of scores is 100 and the standard deviation is 7.5. Find the probability that a randomly selected score is between a. 85 and 100. b. between 85 and 115 c. less than 100