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dusya [7]
3 years ago
6

A gambling book recommends the following "winnin strategy" for the game of roulette:

Mathematics
1 answer:
Zinaida [17]3 years ago
4 0

Answer:

0.854 (85.4%)

Step-by-step explanation:

Since each bet is independent from others , then for X=gambler’s winnings when she quits

P(X>0) = probability to win in the first bet + probability of losing in the first bet * probability of wining at least one of the 2 additional bets

= 18/38 + (1-18/38) * [18/38*(1-18/38)+(1-18/38)*18/38+18/38*18/38 ] =0.854 (85.4%)

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