Bert surveyed 8 students at his school about their favorite professional sports. Of the students surveyed, 4 said football was their favorite sport. If Bert surveys 20 more students, how many of them should he expect to pick football, based on past data? __ students

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Which of the following contains a variable?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?