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8. A bag contains 8 red, 5 white, and 3 blue marbles. Two marbles are drawn at random without replacement. What is the probability that both marbles are blue? What is the probability that the first marble is red and the second is blue? What is the probability that neither marble is white? 9. A bag contains 5 red marbles, 10 white marbles, and 3 blue marbles. A game is played in which if a red marble is drawn, the player gets $7.00. If a white marble is drawn, the player gets nothing. If a blue marble is drawn, the player gets $21.00. The price to play the game is $5.00. Find the expected value of one draw.

8. A bag contains 8 red, 5 white, and 3 blue marbles. Two marbles are drawn at random without replacement. What is the probability that both marbles are blue? What is the probability that the first marble is red and the second is blue? What is the probability that neither marble is white? 9. A bag contains 5 red marbles, 10 white marbles, and 3 blue marbles. A game is played in which if a red marble is drawn, the player gets $7.00. If a white marble is drawn, the player gets nothing. If a blue marble is drawn, the player gets $21.00. The price to play the game is $5.00. Find the expected value of one draw.

A First Course in Probability (10th Edition)
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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8. A bag contains 8 red, 5 white, and 3 blue marbles. Two marbles are drawn at random without replacement. What is the probability that both marbles are blue? What is the probability that the first marble is red and the second is blue? What is the probability that neither marble is white? 9. A bag contains 5 red marbles, 10 white marbles, and 3 blue marbles. A game is played in which if a red marble is drawn, the player gets $7.00. If a white marble is drawn, the player gets nothing. If a blue marble is drawn, the player gets $21.00. The price to play the game is $5.00. Find the expected value of one draw.
Transcribed Image Text:8. A bag contains 8 red, 5 white, and 3 blue marbles. Two marbles are drawn at random without replacement. What is the probability that both marbles are blue? What is the probability that the first marble is red and the second is blue? What is the probability that neither marble is white? 9. A bag contains 5 red marbles, 10 white marbles, and 3 blue marbles. A game is played in which if a red marble is drawn, the player gets $7.00. If a white marble is drawn, the player gets nothing. If a blue marble is drawn, the player gets $21.00. The price to play the game is $5.00. Find the expected value of one draw.
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