a) Write the probability distribution of Y b) Find E[Y] c) Write the probability distribution of Z

Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter13: Decision Making Under Uncertainty
Section13.2: Utility Theory
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upper lim.
Problem 13, A Quiz game has 2 questions. The problem is: which question to attempt first.
If the first question is answered correctly then the second question can be attempted. If the first answer is
wrong, the game stops.
Question 1 will be answered correctly with probability 0.8 with a prize of $100. Question 2 will be
answered correctly with probability 0.5 with a prize of $200.
Let Y = the amount of money won if Question 1 is attempted first
Let Z= the amount of money won if Question 2 is attempted first
a) Write the probability distribution of Y
b) Find E[Y]
c) Write the probability distribution of Z
d) Find E[Z]
e) Which is greater, E[Y] or E[Z]?
Bonus
f) Assume we choose the first question at random. If the probability of picking Question 1 is 0.4, find
E[X], where X Total amount of money won in the game.
%3D
Transcribed Image Text:upper lim. Problem 13, A Quiz game has 2 questions. The problem is: which question to attempt first. If the first question is answered correctly then the second question can be attempted. If the first answer is wrong, the game stops. Question 1 will be answered correctly with probability 0.8 with a prize of $100. Question 2 will be answered correctly with probability 0.5 with a prize of $200. Let Y = the amount of money won if Question 1 is attempted first Let Z= the amount of money won if Question 2 is attempted first a) Write the probability distribution of Y b) Find E[Y] c) Write the probability distribution of Z d) Find E[Z] e) Which is greater, E[Y] or E[Z]? Bonus f) Assume we choose the first question at random. If the probability of picking Question 1 is 0.4, find E[X], where X Total amount of money won in the game. %3D
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