There are 20 marbles in a bag: 12 are blue and 8 are red. You draw four marbles and do not replace each marble after it is drawn. What is the probability that 3 of the 4 marbles are blue?

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 20 marbles in a bag: 12 are blue and 8 are red. You draw four marbles and do not
replace each marble after it is drawn. What is the probability that 3 of the 4 marbles are blue?

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