Marcus placed 8 blue tiles and 12 red tiles in a container. He plans to draw a tile, record its color, and replace it in the container before drawing another. Suppose Marcus does this 50 times. How many times should he expect to draw a red tile?

Claire tosses a coin and rolls a number cube 100 times. How many times should she expect to have the coin show heads and roll a 1 or a 2?

A local video store has advertised that one out of every four customers will receive a free box of popcorn with their video rental. So far, 15 out of 75 customers have received popcorn. Compare the experimental and theoretical probabilities of receiving popcorn.

Dana received $25 for her birthday. She spent a total of $24.50 on a DVD. In how many different ways can she receive her change if she did not receive any pennies nor 50-cent pieces? Use an organized table to show the sample space.

Describe the complement of rolling 3 on a number cube. Then find its probability.