(Solved): olem \#7: The probability that a randomly selected box of a certain type of cereal has a particular ...

olem \#7: The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.18 . Suppose that you purchase box after box until you have obtained 2 of these prizes. (a) What is the probability that you purchase exactly 8 boxes? (b) What is the probability that you purchase at least 11 boxes? Problem $=7(0)\mathrm{t}$ Round your answer to 4 decimals.