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Old 12-20-2005, 04:49 PM
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Default Re: What is the expectation of this game?

Looks like 8 possible outcomes, each equally likely. You are betting on coin flips, for all intents and purposes. The outcomes are distributed as follows:

-30 (1, -30)
-10 (3, -30)
0 (3, 0)
+80 (1, +80)

-30 - 30 + 0 + 80 = 20
20/8 = 2.5

Your total EV for each play should be +2.5 points, if I'm not mistaken.
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