The distribution of IQ scores is known to be normally distributed with a mean of 100...

 

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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? 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?