+ -/1 points TanFin12 8.4.022. My Notes + Ask Your Teacher If the probability that a certain tennis player will serve an ace is , what is the probability that he will serve exactly three aces out of nine serves? (Assume that the nine serves are independent. Round your answer to four decimal places.) + Show My Work (Optional) ? + -/1 points TanFin12 8.4.024. My Notes + Ask Your Teacher In a certain congressional district, it is known that 60% of the registered voters classify themselves as conservatives. If ten registered voters are selected at random from this district, what is the probability that two of them will be conservatives? (Round your answer to four decimal places.) + Show My Work (Optional) ? + -/1 points TanFin12 8.4.030.CMI. My Notes + Ask Your Teacher From experience, the manager of Kramer's Book Mart knows that 30% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store, at least two will make a purchase? (Round your answer to four decimal places.)