11. A bowl contains 25 red balls, 20 green balls, and 5 white balls. If Kaye picks one of these balls at random, what is the probability that the ball is red or green?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 9CC
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19. At a raffle, 1500 tickets are sold at P2 each for four prizes of P500, P250, P150, and P75.You buy one
ticket. What is the expected value of your gain? Is the game fair?
Transcribed Image Text:19. At a raffle, 1500 tickets are sold at P2 each for four prizes of P500, P250, P150, and P75.You buy one ticket. What is the expected value of your gain? Is the game fair?
11. A bowl contains 25 red balls, 20 green balls, and 5 white balls. If Kaye picks one of these balls at
random, what is the probability that the ball is red or green?
Transcribed Image Text:11. A bowl contains 25 red balls, 20 green balls, and 5 white balls. If Kaye picks one of these balls at random, what is the probability that the ball is red or green?
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