Question

7. In the game of American roulette, a player can place a d probability of winning. If the metal ball lands aS 5 bet on the manber 17 and h on 17, the player gets to keep the to play the game and the player is aware is awarded mothing, and the casino takes the player's s is "warded anadditional S 175-Oherwise, the player a probability distribution for the proft of the same to the plnyer JAptl b) What is the expected value(expected profit) of the game to the player ? Round to the nearest cent. Show all your work! 3pts) c) If you play the game 1000 times, how much would you expect to win or lose? Show your work [3pts Conceptual Questions 8. A student's SAT scores and the number of cars his or her family owns are positively correlated. Does this mean that overeager parents can boost their children's test scores by buying two extra cars for the house? What is a likely lurking variable? 4pts] Given events A,B,C, and D with P(A) 0.3, P(B) 0.4, P(C)-0.2, P(D)-0.57, P(B)A)- 0.3, P(C/D) 0.2 Are A and B independent events? Are C and D independent events? ustify. (4pts]

Answer 1