SOLUTION: A game involves earning points by rolling a special​ 6-sided die that says 13 on three​ faces, 23 on​ two, and 28 on the sixth face.​ What's the expected number of points a

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Question 1138660: A game involves earning points by rolling a special​ 6-sided die that says 13 on three​ faces, 23 on​ two, and 28 on the sixth face.​ What's the expected number of points a player will earn by rolling this​ die?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
E(X)=13(3)+23(2)+28 all divided by 6
=113/6 or 18.83
alternatively 13*(1/2)+23(1/3)+28(1/6)