Chapter 5, Problem 8E

a.

To determine

Draw the model for the IQ scores. Clearly label it, showing what the 68-95-99.7 Rule predicts.

b.

To determine

Find the interval in which the central 95% of IQ scores to be found.

c.

To determine

Find about what percent of people should have IQ scores above 116.

d.

To determine

Find about what percent of people should have IQ scores between 68 and 84.

e.

To determine

Find about what percent of people should have IQ scores above 132.