Question
Two six-sided dice are rolled. If the sum of the dots showing is odd, we get $10; otherwise, we lose $25. What is the expected value of this game?
Answers
Reiny
If you look at the outcomes, you will see that half of the sums are even, the other half are odd.
So prob (even) = 1/2
prob(odd) = 1/2
expected value= (1/2)$10 + (1/2(-$25) = -7.5
Who would possible want to play this game ?
So prob (even) = 1/2
prob(odd) = 1/2
expected value= (1/2)$10 + (1/2(-$25) = -7.5
Who would possible want to play this game ?
Isaac
ur rong