I contains 7 red balls and 7 blue balls. A w many balls must she select (minimun

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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A bowl contains 7 red balls and 7 blue balls. A woman selects balls at random without looking at them.
(а) How
many
balls
must she select (minimum) to be sure of having at least three blue balls?
(b) How many balls must she select (minimum) to be sure of having at least three balls of the same color?
Transcribed Image Text:A bowl contains 7 red balls and 7 blue balls. A woman selects balls at random without looking at them. (а) How many balls must she select (minimum) to be sure of having at least three blue balls? (b) How many balls must she select (minimum) to be sure of having at least three balls of the same color?
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