John went to the casino and bet $7 on #

John went to the casino and bet $7 on # 9 of a game which P(Winning) = 1/47, the payoff-odd is 45:1 

Find:

 a) the Prize;

b) the odd-against that bet;

 c) is he better off with that bet or a bet on a small town Lotto which Expected –Value is -0.20? (Prove your answer!)

D) Find the # of Ways of Selecting a Six (6) –Digits # Excluding “4” & “9” (Without Replacement) 


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