Given a normal distribution with mean 90 and standard deviation 20 use the 68 95 99 7 Rule or 34 13 5 2 35 0 15 to find the

Question

Given a normal distribution with mean 90 and standard deviation 20 use the 68 95 99 7 Rule or 34 13 5 2 35 0 15 to find the percent of the population for each of the following Less than 90 Above 150 Less than 70 Above 50 Between 70 and 130 What z score would be associated with a data value of 40

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