Gambler rolls two dice and gets sum
If a gambler rolls two dice and gets a sum of 10, he wins $10, and if he gets a sum of three, he wins $20. The cost to play the game is $5. What is the expectation of this game?
A. $3.06
B. -$2.78
C. -$3.06
D. $2.78
Expected delivery within 24 Hours
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