l'mblcm l) A polling company calls people to ask if they plan to watch the presidential debate between candidates D and R on Tuesday evening. Suppose that each person they talk to has a 65% chance of watching the debate, and that these decisions are independent, from person to person. They continue making such cells until they have found 10 people who plan to watch the debate. . (a) Find the pmbability that they need to calklz or more people, to achieve their goal. (b) What is the variance of the number of people that they need to tell?\" 3