Mathematics, 16.03.2020 22:14 edgytaehyung

A card is drawn at random from a deck consisting of cards numbered 2 through 10. A player wins 1 dollar if the number on the card is odd and loses 1 dollar if the number if even. What is the expected value of his winnings

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A card is drawn at random from a deck consisting of cards numbered 2 through 10. A player wins 1 dol...