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5. There are 12 people on a basketball team, and the coach needs to choose 5 to put into a game. How many different possible ways can the coach choose a team of 5 if each person has an equal chance of being selected? (1) 12Ps (3) 12Cs (2) sP12 4) sCi2
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Answer #1

5)

Solution :

This is the combination problem .

3) 12C5

nCx = n! / x!(n - x)!

n! = n(n - 1)(n - 2) .... and so on .

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