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31 March, 08:15

The table below shows the movie preferences of high school and college students:

Movie Preference

ActionDramaComedyRow totals

High School 40 23 12 75

College 20 51 28 99

Column totals 60 74 40 174

Julie mistakenly calculated the conditional relative frequency for college students who like comedy as being 70%. What did Julie actually calculate, and what is the correct answer?

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  1. 31 March, 11:42
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    Im pretty sure the answer is D. She calculated the joint relative frequency for college/comedy. The correct answer is 16%.
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