SOLUTION: A medical research team selects three patients at random from a group of nine patients for special treatment. In how many different ways can the patients be selected?
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Question 440287: A medical research team selects three patients at random from a group of nine patients for special treatment. In how many different ways can the patients be selected?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
9 combined three at a time equals 9C3=9x8x7x6!/3x2x6!=3x4x7=84. There are 84 different ways to select patients.
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