Consider the graph of the normal distribution in Figure 5.13, which shows the relative frequencies in a

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Consider the graph of the normal distribution in Figure 5.13, which shows the relative frequencies in a distribution of IQ scores. The distribution has a mean of 100 and a standard deviation of 16.
Consider the graph of the normal distribution in Figure 5.13,

a. What is the total area under the curve?
b. Estimate (using area) the relative frequency of values less than 100.
c. Estimate the relative frequency of values greater than 110.
d. Estimate the relative frequency of values less than 110.
e. Estimate the relative frequency of values between 100 and 110.

Distribution
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Statistical Reasoning for Everyday Life

ISBN: 978-0321817624

4th edition

Authors: Jeff Bennett, Bill Briggs, Mario F. Triola

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