Question

The IQ of a person follows a normal distribution and has a mean of 103 and a standard deviation of 15 Using this information and the 68-95-99.7 rule, find the following What percentage of the people have IQ scores between 88 118

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Seamus

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26 Answers

(88-103)/15 = -1
(118 - 103)/15 = 1
88 and 103 are 1 sd within the mean
1sd within the mean = 68%

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