- #1
EdmureTully
- 20
- 0
Homework Statement
What's the expected value of this problem (random variable)?
X: represent the result of dice number 1 - result of dice number 2
example dice 1 first roll = 2; second roll = 3
dice 2 first roll = 1; second roll = 2
X = 2+3 -(1+2) = 2
what's the expected value of X
Homework Equations
The Attempt at a Solution
I think it's 0, because the Expected value of dice 1 is the same as that of dice 2