SOLUTION: Your teacher is randomly choosing 4 volunteers from your class of 28 students. What is the probability that you and your 3 friends will be chosen?

Question 529862: Your teacher is randomly choosing 4 volunteers from your class of 28 students. What is the probability that you and your 3 friends will be chosen?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Your teacher is randomly choosing 4 volunteers from your class of 28 students. What is the probability that you and your 3 friends will be chosen?
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You and your 3 friends form one group of 4.
There are 28C4 = 20475 possible groups of 4 that could be chosen.
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Ans: prob = 1/20475
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Cheers,
Stan H.
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