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Posted by on Monday, July 29, 2013 at 7:20pm.

How many different committees can be formed from 5 professors, and 15 students. If each committee is made up of 2 professors, and 10 students.

  • Probability - , Monday, July 29, 2013 at 11:17pm

    5 choose 2 * 15 choose 12
    =5C2*15C12
    =5!/(2!3!) * 15!/(12!3!)
    =5*4/2! * 15*14*13/6
    =10*455
    =4550

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