SOLUTION: There are 6 students in a small class. To make a team, the names of 2 of them will be drawn from a hat. How many different teams of 2 students are possible?
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Question 1127389: There are 6 students in a small class. To make a team, the names of 2 of them will be drawn from a hat. How many different teams of 2 students are possible?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
There are 6 students in a small class. To make a team, the names of 2 of them will be drawn from a hat. How many different teams of 2 students are possible?
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You are counting sets of size 2.
That is a combinations problem.
6C2 = 6!/[(6-2)!*2!] = [6*5]/[1*2] = 15
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Cheers,
Stan H.
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