摘要：A basketball player has observed that on average he scores only one out of every 10 attempts at a 3 point shot. If he attempts eight of these in the next game, find the probability that he will score at least once.
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A semipro baseball league has teams with 21 players each. League rules state that a player must be paid at least ＄15，000，and that the total of all players’ salaries for each team cannot exceed ＄700，000. What is the maximum possible salary，in dollars，for a single player？
A. 270，000 B. 385，000 C. 400，000 D. 430，000 E.700，000
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