Question
A bowl contains8red balls and8blue balls. A woman selects balls at random without looking at them. How many balls must she select (minimum) to be
A bowl contains8red balls and8blue balls. A woman selects balls at random without looking at them.
How many balls must she select (minimum) to be sure of having at least three balls of the same color?
I found that she needs to select 5 balls to be sure to have at least three balls of the same color but CANT UNDERSTAND WHY?
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
