In the professional football business, it is accepted dogma that players will perform better if they are intelligent. Before players are drafted, they are asked to complete an intelligence test. These IQ tests often have a standardized mean of 100 and a standard deviation of 15. Approximately how many drafted players will have an IQ of at least 100 but not greater than 115?
a) 68%
b) 169
c) 174
d) 118
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