1. Fifteen shoppers are asked to participate in a taste test of four soft drinks at the local supermarket. Nine of them choose Brand C. If there were really no difference in taste among the four soft drinks, what would the probability be of 9 or more of 15 people choosing Brand C?
2. The Pop-up Toaster Company advertises that their toasters have a probability of .95 of working for 1 year without need of repairs. If you bought eight toasters as wedding gifts, what is the probability that all eight will work for at least 1 year?