Question: 5. If the sample space is {win, lose) and p (win) = 2/5. The random variable for net (reward) winnings is X (win) = 5,

5. If the sample space is {win, lose) and p (win) = 2/5. The random variable for net (reward) winnings is X (win) = 5, X (lose) = 2, then the expected value for this event is: a. 4/5 b.2 c. 1 d. 8/5 6- If given event A{1,3,4,5} and event B{2, 3, 4, 6}, then P(A|B) is : a. 2/16 b.4/16 c. 1/2 d. 1/16 7- if given event A is 4 elements and event B is 6 elements, and P(BIA) is 0.4 then P( AB) is : a. (0.4 X 0.4)/0.6 b.(0.4 X 0.6)/0.4 c. 0.2 / 0.7 d. 0.3/0.7

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