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14-02-2021
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On three rolls of a single die, you will lose $18 if a 2 turns up at least once, and you will win $7 otherwise. What is the expected value of the game?

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mattalexander1984 mattalexander1984

14-02-2021

All 6 outcomes are equally likely. 3 rolls will give:

(-18 + 5*7) / 6, then multiplied by 3

$8.50

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