A survey was conducted of students at a high school and at a college to determine students' favorite subjects. The results are shown in the table. History Math Science Total
High School 80 50 70 200
College 70 60 70 200
Total
110 140 400
150
What percentage of the students are college students that prefer history?
A 17.5%
B. 35%
C. 37.5%
D. 46.75
E 75%

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?