An urn contains 6 green balls and 7 red balls. A man selects balls at random without looking at them. How many balls must he pick to guarantee that he will have 3 balls all of the same color? How many balls must he pick to guarantee that he will have 3 green balls?

An urn contains 6 green balls and 7 red balls. A man selects balls at random without looking at them. How many balls must he pick to guarantee that he will have 3 balls all of the same color? How many balls must he pick to guarantee that he will have 3 green balls?

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.6: Permutations And Combinations

Problem 2SC: How many different signals can be sent, when three flags are used, if two of the 9 flags are...

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Question

An urn contains 6 green balls and 7 red balls. A man selects balls at random without looking at
them. How many balls must he pick to guarantee that he will have 3 balls all of the same color? How many balls must he pick to guarantee that he will have 3 green balls?

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