9) A dealer in the Sands Casino in Las Vegas selects 40 cards from a standard deck of 52 cards. Let Y be the number of red cards (hearts or diamonds) in the 40 cards selected. Which of the following best describes this setting: (A) Y has a binomial distribution with n = 40 observations and probability of success p = 0.5. (B) Y has a binomial distribution with n = 40 observations and probability of success p = 0.5, provided the deck is shuffled well. (C) Y has a binomial distribution with n = 40 observations and probability of success p = 0.5, provided after selecting a card it is replaced in the deck and the deck is shuffled well before the next card is selected. (D) Y has a normal distribution with mean p = 0.5. 10) Twenty percent of all trucks undergoing a certain inspection will fail the inspection. Assume that trucks are independently undergoing this inspection, one at a time. The expected number of trucks inspected before a truck fails inspection is (A) 2 (B) 4 (C) S (D) 20 (E) The answer cannot be computed from the information given