Harry has 2 blue pens, 2 black pens and 4 red pens in his box. He picks one pen and records it's color he then puts it back in the box and draws another pen. What is the probability of taking out a red pen followed by the blue pen?

Harry has 2 blue pens, 2 black pens and 4 red pens in his box. He picks one pen and records it's color he then puts it back in the box and draws another pen. What is the probability of taking out a red pen followed by the blue pen?

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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