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Results tagged with expected-value
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user 263557
The expected value of a random variable is a weighted average of all possible values a random variable can take on, with the weights equal to the probability of taking on that value.
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Positive expected value for lottery
I simplify the lottery a little bit. Let's say the players can win a fix prize $W$, no matter how many players participate in the lottery. We do not regard any fee. Each player can win this prize with …
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