There are 8 black and 4 green balls in a box. Three balls are drawn in succession (not every ball drawn is put back into the box). What is the probability that all three balls drawn are the same color?

There are 8 black and 4 green balls in a box. Three balls are drawn in succession (not every ball drawn is put back into the box). What is the probability that all three balls drawn are the same color?

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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Solution:

From the given information, there are 8 black and 4 green balls. Total number of balls is 8+4 = 12. Here, three balls are to be drawn without replacement.

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