SOLUTION: How many ways can 4 people be chosen from a group of 9? Tell whether the situation is a permutation or combination. Then solve.
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Question 309450: How many ways can 4 people be chosen from a group of 9? Tell whether the situation is a permutation or combination. Then solve. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many ways can 4 people be chosen from a group of 9? Tell whether the situation is a permutation or combination. Then solve.
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Counting groups means counting combinations.
Counting arrangements means counting permutations.
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Your Problem:
9C4 = 9!/(9-4)!4! = (9*8*7*6)/(1*2*3*4) = 9*7*2 = 126
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Cheers,
Stan H.
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