To perform during the improvisation section of their concert, the director of the school jazz band draws lots to randomly choose 4 players from the 4 trumpet players, 5 saxophone players, and 2 keyboard players. a. What is the probability that he chooses only sax players?    b. What is the probability he picks 2 trumpet players and 2 sax players

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To perform during the improvisation section of their concert, the director of the school jazz band draws lots to randomly choose 4 players from the 4 trumpet players, 5 saxophone players, and 2 keyboard players.

a. What is the probability that he chooses only sax players? 

 


b. What is the probability he picks 2 trumpet players and 2 sax players?

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