In a bag there are 3 red balls, 2 blue balls, and 4 yellow balls. The experiment consist of drawing 3 balls simultaneously. (a) Does the order matter? Why? (b) How many ways are there to pick them so that there are at least 2 different colors? (Hint: Think about the complement)

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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In a bag there are 3 red balls, 2 blue balls, and 4 yellow balls. The experiment consist of drawing 3 balls
simultaneously.
(a) Does the order matter? Why?
(b) How many ways are there to pick them so that there are at least 2 different colors? (Hint: Think
about the complement)

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