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10 February, 03:10

Suppose you pay $1.00 to roll a fair die with the understanding you will get $3.00 back rolling a 4 or a 2, and nothing otherwise. What is the expected amount you will win?

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  1. 10 February, 03:25
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    There are 2 chances out of 6 to win $3

    Every 6 rolls you are expected to win $6

    Every 3 rolls you are expected to win $3.

    On average, even though it's impossible, every roll you would make $1.
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