Mrs. Hinton’s class has 26 students, Mr. Brumm’s class has 33 students, Mrs. Lang’s class has 21 students, and Mr. Bandera’s class has 28 students. Find the mean (average) number of students per class and explain the process for finding your answer. The mean is students.

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?