在加拿大
Sum Probability
Anna, Daisy, Jeff, and Russ are playing an addition game. Each person has picked one of the cards shown above. To score a point, a player must roll two number cubes and get the sum equal to the number of the card already selected. After three turns, each player selects a different card from the deck. Anna has the greatest probability of scoring a point.Even though Jeff has a card with a higher number, his chances of scoring a point are the same as Daisy's chances.The probability that Russ will earn a point is greater than the probability that Jeff will.Which card was selected by which player? What is the probability of each player scoring a point on his or her first turn?
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