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2 Questions: Odds and Probability

  1. Nov 6, 2005 #1
    Hey all,

    I was going over some questions in my textbook when I came across these two questions. I could not get the answer in the back of the book (possibly because there is an error) or I did something wrong. I'd appreciate it if anybody can help me out.

    1) If the odds in favor of team A winning the championship is 1:5, and the odds in favor of team B winning the championship is 2:13, what are the odds in favor of either team A or team B winning the championship.

    2) What is the probability that exactly two out of eight friends will have the same birthday?

    I'd appreciate any input

  2. jcsd
  3. Nov 6, 2005 #2
    you have to show some work, what have you tried?
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