SOLUTION: A bag contains 17 balls numbered 1 through 17. What are the odds in favor of selecting a ball that has an even number?
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Probability-and-statistics
-> SOLUTION: A bag contains 17 balls numbered 1 through 17. What are the odds in favor of selecting a ball that has an even number?
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{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17}
Count 'em. There are 8 even numbered balls and 9 odd-numbered balls, so
the odds in favor of an even ball is
8 evens to 9 odds
or
8 to 9
or 8 : 9
Edwin