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Some IQ tests are standardized to normal model with mean of 100 and the standard deviation of 16.

a. Draw a model for these IQ scores, clearly label it , showing what the 65-95-99.7 rule predicts about the score.

b. In what interval would you expect the central 95% of IQ scores be found

c. About what percent of people should have IQ scores above 116?

d. About what percent of people should have IQ scores between 68 and 84?

e. About what percent of people should have IQ scores abouve 132?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9357087

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