Suppose that a bag of toy marbles contains 20 small marbles and 5 large marbles. What is the probability group of 3 marbles pulled at random will contain no large marbles?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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**Probability Question on Marbles**

Suppose that a bag of toy marbles contains 20 small marbles and 5 large marbles. What is the probability that a group of 3 marbles pulled at random will contain no large marbles?

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Transcribed Image Text:**Probability Question on Marbles** Suppose that a bag of toy marbles contains 20 small marbles and 5 large marbles. What is the probability that a group of 3 marbles pulled at random will contain no large marbles? *For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).*
Expert Solution
Step 1: Given Information:

It is given that 

Small marbles = 20

Large marbles = 5

Total marbles = 25

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