Post a New Question

Math

posted by .

from a group of 14 junior and 9 senior students, determine how many committees of 8 students can be chosen if all chosen students are junior students?

  • Math -

    so take the seniors out of the problem

    how many groups of 8 from 14 ?

    combinations:

    C(n,r) = n!/[ r!*(n-r)!]

    C(14,8) = 14!/ [8! *6!]

    = 14*13*12*11*10*9/(6*5*4*3*2)

    = 7*13*11*3 = 3003

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question