Question

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


Movie Preference
Action Drama Comedy Row 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?
She calculated the joint relative frequency for college/comedy. The correct value of conditional relative frequency for college students who like comedy is 28%.

She calculated the conditional relative freq