Two cards are selected at random from a box which contains five cards numbered 1, 1, 2, 2, and 3. Let x denote the sum of the numbers. Find the expected value of the sum.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 15CT
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Two cards are selected at random from a box which contains five cards numbered 1, 1, 2, 2, and 3. Let
x denote the sum of the numbers. Find the expected value of the sum.
Transcribed Image Text:Two cards are selected at random from a box which contains five cards numbered 1, 1, 2, 2, and 3. Let x denote the sum of the numbers. Find the expected value of the sum.
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