A popular chain of fast-food hamburger restaurants, Burger Blitz, is helping to promote a new action movie by giving away free posters of the movies' stars with each hamburger meal purchased. There are six posters all together, and there is an equal chance of getting any one of the posters with a purchase. About how many burger meals do you think you'd need to buy in order to collect all six posters?
7.9 Statistics & Probability Concepts