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A bowl contains 10 red balls, 5 blue balls, and 8 green balls. A woman selects balls at random without looking in the bowl.?

How many balls must she select to be sure that she has at least one ball of each color?

2 Answers

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  • 5 years ago

    To be sure she would need to select 19. Because in the worst case scenario she will get 10 red, 8 green, and 1 blue

  • 5 years ago

    19

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