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astraxan [27]
2 years ago
11

An American roulette wheel contains 38 slots. Eighteen of the slots are colored red and eighteen are

Mathematics
1 answer:
masha68 [24]2 years ago
7 0

Answer:

- $0.053

Step-by-step explanation:

Bet fee = $1

Probability of red = 18 / 38

Probability of black = 18/38

Probability of green = 2 / 38

x : ____1 _____ - 1 _____ - 1

P(x) : __ 18/38___ 18/38____ 2/38

Mean or expected value, E(X) = Σx*p(x) = (18/38) * * (-18/38) * (-2/38)

E(X) = - 0.052631

E(X) = - $0.053

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