4. An urn contains 5 red balls, 4 blue balls, and 1 green ball. (a) Select two balls with replacement. Find the probability that you end up with one red and one blue ball (RB or BR). (b) Select three balls with replacement. Find the probability that you end up with one red and two blue balls (RBB or BRB or BBR). (c) Select six balls with replacement. Find the probability that you end up with two red and four blue balls.

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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4. An urn contains 5 red balls, 4 blue balls, and 1 green ball.
(a) Select two balls with replacement. Find the probability that you end up with one
red and one blue ball (RB or BR).
(b) Select three balls with replacement. Find the probability that you end up with one
red and two blue balls (RBB or BRB or BBR).
(c) Select six balls with replacement. Find the probability that you end up with two red
and four blue balls.
Transcribed Image Text:Page 6 of 6 ZOOM + 4. An urn contains 5 red balls, 4 blue balls, and 1 green ball. (a) Select two balls with replacement. Find the probability that you end up with one red and one blue ball (RB or BR). (b) Select three balls with replacement. Find the probability that you end up with one red and two blue balls (RBB or BRB or BBR). (c) Select six balls with replacement. Find the probability that you end up with two red and four blue balls.
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