SOLUTION: Winning a race: The odds against Paul Phillips winning the 100 yard dash are 7:2. Determine the probability that a) Paul wins and b)Paul doesn't win. What would the formula be for

Question 403119: Winning a race: The odds against Paul Phillips winning the 100 yard dash are 7:2. Determine the probability that a) Paul wins and b)Paul doesn't win. What would the formula be for solving this problem. I know that there are 9 chances that he will win because the sum of 2 and 7. Where do I go from there? I need the formula so I can show my work. Thank you for your help!
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Paul has 7 of those 9 "chances" so the probability he wins is 7/9. Therefore the probability he doesn't win is 1 - 7/9, or 2/9.
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