SOLUTION: The odds against Lighting winning the Kentucky Derby are 9:2. Find the probability that Lighting wins.

Question 187823: The odds against Lighting winning the Kentucky Derby are 9:2. Find the probability that Lighting wins.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The odds against Lighting winning the Kentucky Derby are 9:2. Find the probability that Lighting wins.
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Odds AGAINST event "E" = [P(not E)]/[P(E)]
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Equation:
P(against winning) = P(not winning)/P(winning) = 9:2
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P(not winning) = 9/11: P(winning) = 2/11
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Cheers,
Stan H.
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