SOLUTION: From a group of 11 people, you randomly select 4 of them. What is the probability that they are the 4 oldest people in the group?

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Question 1205121: From a group of 11 people, you randomly select 4 of them. What is the probability that they are the 4 oldest people in the group?
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!
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This set of 4 oldest is a unique set of  C%5B11%5D%5E4 = %2811%2A10%2A9%2A8%29%2F%281%2A2%2A3%2A4%29 = 330  different possible sets of 4 from 11.    


Therefore,  P = 1%2F330 = 0.00303  (rounded).    ANSWER

Solved.