There are 12 balls in a bag, 8 red and 4 green. Three balls are drawn successively without replacement. What is the probability that they are alternately of the same colour?

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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There are 12 balls in a bag, 8 red and 4 green.
Three balls are drawn successively without
replacement.
What is the probability that they are alternately of
the same colour?
Transcribed Image Text:There are 12 balls in a bag, 8 red and 4 green. Three balls are drawn successively without replacement. What is the probability that they are alternately of the same colour?
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