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StatisticsQ&A LibraryAssume the IQ scores in a population are normally distributed with a mean value of 100 and a standard deviation of 15. Compute the proportion of people in the population for each of the following ranges of IQ scores. The answer should include hand calculations of z-scores involved.a. less than 85b. higher than 118c. between 85 and 133d. between 97 and 115Question

Asked Sep 23, 2019

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Assume the IQ scores in a population are normally distributed with a mean value of 100 and a standard deviation of 15. Compute the proportion of people in the population for each of the following ranges of IQ scores. The answer should include hand calculations of z-scores involved.

a. less than 85

b. higher than 118

c. between 85 and 133

d. between 97 and 115

1 Rating

Step 1

Given Data

Mean = 100

Standard Deviation = 15

Step 2

a) Less than 85

P(X < 85)

Step 3

b) Higher tha...

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