Food services for a school district examined the choices of side dish for students at three types of schools in the district: elementary school, middle school, and high school. Side Dish Chosen French FriesCarrot SticksApple WedgesTotalType of SchoolElementary853523143Middle564231129High474536128 Total18812290400Given that a student chose apple wedges, what is the probability that the student is in high school?
Among students who chose apple wedges, 90 students did so in total. Of those, 36 were in high school, so the probability is 36 ÷ 90 = 0.40, or 40.0%. The correct choice is 40.0%.
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