The distribution of IQ scores is known to be normally distributed with a mean of 100 and a standard deviation of 15. Suppose we
The distribution of IQ scores is known to be normally distributed with a mean of 100 and a standard deviation of 15. Suppose we tested the IQ of 7000 people. What number of people can we expect to have IQ greater than 145? QUESTION 7 The distribution of IQ scores is known to be normally distributed with a mean of 100 and a standard deviation of 15. Suppose we tested the IQ of 7000 people. What number of people can we expect to have IQ less than 88? QUESTION 8 The distribution of IQ scores is known to be normally distributed with a mean of 100 and a standard deviation of 15. Suppose we tested the IQ of 7000 people. What number of people can we expect to have IQ between 90 and 115?
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Authors: Paul Newbold, William Carlson, Betty Thorne
8th Edition
0132745658, 978-0132745659
