1. What is the angle between the hour and minute hands at 11:40? 2. Four fair coins are tossed. (a) What is the probability of getting at least 2 heads? (b) Given that there are at least 2 heads, what is the expected number of heads? 3. You roll two fair dice, one with 6 sides and one with 10 sides. You may guess the sum x of the two dice. If you guess correctly, you win $x; otherwise, you win nothing. Which number should you guess?