There are a 100 marbles in a bag. Among the 100 marbles, there are marbles of 5 different colors that are split equally, with 20 marbles for each color. Once a marble is removed from the bag, they are out of the pool. How many times do I need to take a marble from the bag, on average, will it take for me to get three marbles of the same color? (Can you show the steps to this?)

There are a 100 marbles in a bag. Among the 100 marbles, there are marbles of 5 different colors that are split equally, with 20 marbles for each color. Once a marble is removed from the bag, they are out of the pool. How many times do I need to take a marble from the bag, on average, will it take for me to get three marbles of the same color? (Can you show the steps to this?)

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 a 100 marbles in a bag.

Among the 100 marbles, there are marbles of 5 different colors that are split equally, with 20 marbles for each color.

Once a marble is removed from the bag, they are out of the pool.

How many times do I need to take a marble from the bag, on average, will it take for me to get three marbles of the same color? (Can you show the steps to this?)

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