A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number?
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Originally Posted by bball20 A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Pr(even number) = 6/13. Now apply your definition of odds ....
Hi Even numbers: 2,4,6,8,10,12 Odd numbers: 1,3,5,7,9,11,13 There are 6 even numbers and 7 odd numbers. So the odds are: even : odd -> 6:7 Or $\displaystyle P(\mbox{ Ball with even number }) = \frac{6}{6+7}$
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