Answered: 2. A bag of marbles contains 6 red…

2. A bag of marbles contains 6 red marbles and 7 blue marbles. You take 4 marbles out of the bag, without replacement. What is the probability that at least one of the marbles is red?

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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Question

2. A bag of marbles contains 6 red marbles and 7 blue marbles.
You take 4 marbles out of the bag, without replacement. What is the probability that at
least one of the marbles is red?

Expert Solution

Step 1

$G i v e n, n o . o f r e d m a r b l e s = 6 n o . o f b l u e m a r b l e s = 7 T o t a l n o . o f m a r b l e s = 13$

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