A barn has 12 black cats and 12 white cats. A farmer selects cats at random without looking at them a) How many cats must he select to be sure of having 4 cats of the same color? b) How many cats must he select to be sure of having at least 5 black cats?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A barn has 12 black cats and 12 white cats. A farmer selects cats at random without looking at them.
a) How many cats must he select to be sure of having 4 cats of the same color?
b) How many cats must he select to be sure of having at least 5 black cats?
Transcribed Image Text:A barn has 12 black cats and 12 white cats. A farmer selects cats at random without looking at them. a) How many cats must he select to be sure of having 4 cats of the same color? b) How many cats must he select to be sure of having at least 5 black cats?
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