An experiment consists of tossing a fair die until 5 occurs 6 times. What is the probability that the process ends after exactly ten tosses with 5 occurring on the ninth and tenth tosses? (Round your answer to four decimal places.) : Submit Answer A supplier of heavy construction equipment has found that new customers are normally obtained through customer requests for a sales call and that the probability of a sale of a particular piece of equipment is 0.45. If the supplier has seven pieces of the equipment available for sale, what is the probability that it will take fewer than nine customer contacts to clear the inventory? (Round your answer to four decimal places.)