The school cafeteria serves cheese and pepperoni pizza. A random survey was given to 175 students to find out which kind of pizza students prefer. Of the students surveyed, 80 students preferred pepperoni pizza. If the school has a population of 400 students, how many students would be expected to choose cheese pizza?

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?