There are 3 green cards, 4 red cards and 5 brown cards in a bag. What is the probability, a. of getting a red card or a brown card after a green one (w/o replacement)? b. that a brown card is drawn first but not replaced, and a red card follows at the second draw?

There are 3 green cards, 4 red cards and 5 brown cards in a bag. What is the probability, a. of getting a red card or a brown card after a green one (w/o replacement)? b. that a brown card is drawn first but not replaced, and a red card follows at the second 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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Question

There are 3 green cards, 4 red cards and 5 brown cards in a bag. What is the probability,

a. of getting a red card or a brown card after a green one (w/o replacement)?
b. that a brown card is drawn first but not replaced, and a red card follows at the second draw?

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