A red die and a blue die are rolled. You win or lose money depending on the sum of the values of the two dice. If the sum is 3, 10, or 12, you win $5. If the sum is 5 or 11, you win $1. If the sum is any other value (2, 4, 6, 7, 8, or 9), you lose $2. Let X be a random variable that corresponds to your net winnings in dollars. What is the expected value of X? E[X]=Ex: 1.23

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A red die and a blue die are rolled. You win or lose money depending on the sum of the values of the two dice.
If the sum is 3, 10, or 12, you win $5.
If the sum is 5 or 11, you win $1.
If the sum is any other value (2, 4, 6, 7, 8, or 9), you lose $2.
Let X be a random variable that corresponds to your net winnings in dollars. What is the expected value of X?
E[X] Ex: 1.23
Transcribed Image Text:Jump to level 1 A red die and a blue die are rolled. You win or lose money depending on the sum of the values of the two dice. If the sum is 3, 10, or 12, you win $5. If the sum is 5 or 11, you win $1. If the sum is any other value (2, 4, 6, 7, 8, or 9), you lose $2. Let X be a random variable that corresponds to your net winnings in dollars. What is the expected value of X? E[X] Ex: 1.23
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