Food services for a school district examined the choices of side dish for students at three types of schools in the district: el
ementary school, middle school, and high school. Side Dish Chosen
French Fries Carrot Sticks Apple Wedges Total
Type of School Elementary 85 35 23 143
Middle 56 42 31 129
High 47 45 36 128
Total 188 122 90 400
Given that a student chose apple wedges, what is the probability that the student is in high school?