Help!!! seventy-five students randomly selected from the junior class at a high school were given a survey asking how much time they spent studying for a math test. assume the population is normally distributed the population is a.the seventy-five selected students. b.all juniors at the high school. c.all students at the high school. the sample is a.the seventy-five juniors selected. b.all juniors at the high school. c.all students at the high school.