Question: If the sample space is {win, lose} and p (win) = 2/5. The random variable for net (reward) winnings is X (win) = 5, X

If the sample space is {win, lose} and p (win) = 2/5. The random variable for net (reward) winnings is X (win) = 5, X (lose) = 2, then the expected value for this event is:

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