a. A store sells 8 kinds of balloons with at least 30 of each kind. How many different combinations of 30 balloons can be chosen? b. If the store has only 12 red balloons but at least 30 of each other kind of balloon, how many combinations of balloons can be chosen? c. If the store has only 8 blue balloons but at least 30 of each other kind of balloon, how many combinations of balloons can be chosen? d. If the store has only 12 red balloons and only 8 blue balloons but at least 30 of each other kind of balloon, how many combinations of balloons can be chosen?

Week2 11.5-11.6 Probability Spring2016 Recall : Permutation Combination Order MATTERS!! DOES NOT MATTER Formula n ! nPr n ! nPr▯ nC r ▯ ▯n▯r ! r ! r ! n▯r ! Probabilityof anevent, P E ▯ number of outcomes in E ; total number of possible...