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Mathematics, 09.07.2019 00:40 ladnerhailey16

Aping pong ball is drawn at random from an urn consisting of balls numbered 2 through 10. a player wins 1 dollar if the number on the ball is odd and loses 1 dollar if the number is even. what is the expected value of his winnings?

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Aping pong ball is drawn at random from an urn consisting of balls numbered 2 through 10. a player w...
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