If a person rolls a pair of dice and gets a sum of 7 or 8, he wins 800. If the person gets 6 or 9, he wins 600. The cost to play the game is 100. Find the expectation of the game

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 15E: A Game of Chance A box contains 100 envelopes. Ten envelopes contain $10 each, ten contain $5 each,...
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If a person rolls a pair of dice and gets a sum of 7 or 8, he wins 800. If the person gets 6 or 9, he wins 600. The cost to play the game is 100. Find the expectation of the game
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