A bag contains n marbles, two of which are blue. Liana plays a game in which she randomly draws marble out of the bag, one after another, without replacement. The game ends when Hayley draws a blue marble. Let = 5. What is the probability that the game will end of her third draw? and her forth draw?

A bag contains n marbles, two of which are blue. Liana plays a game in which she randomly draws marble out of the bag, one after another, without replacement. The game ends when Hayley draws a blue marble. Let = 5. What is the probability that the game will end of her third draw? and her forth draw?

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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Part 1: A bag contains n marbles, two of which are blue. Liana plays a game in which she randomly draws marble out of the bag, one after another, without replacement. The game ends when Hayley draws a blue marble.

Let = 5. What is the probability that the game will end of her third draw? and her forth draw?

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Step 1: If n=5 the probability of third drawn is 0.2

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