An urn contains four red tokens and three blue tokens. Two tokens are drawn successively and without replacement. If A is the event “the first token drawn is red” and B the event “the second token drawn is blue”, events A and B Are they independent?

An urn contains four red tokens and three blue tokens. Two tokens are drawn successively and without replacement. If A is the event “the first token drawn is red” and B the event “the second token drawn is blue”, events A and B Are they independent?

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

An urn contains four red tokens and three blue tokens.
Two tokens are drawn successively and without replacement. If A is
the event “the first token drawn is red” and B the event “the second token drawn is blue”, events A and B
Are they independent?

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Urn contain 7 tokens=4 red+3 blue token

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