Nathan G.

asked • 07/04/20

Mathematics: Combinations and Counting

You are managing a staff of 20 engineers and 40 technicians. For an upcoming project, you must select 2 engineers and 5 technicians. How many different teams are possible?

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Patrick B. answered • 07/04/20

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(20 choose 2)(40 choose 5) <-- order is not important


(20*19/2) ( 40*39*38*37*36/(5*4*3*2*1)) =


190* ( 13*38*37*36) <--- 2 cancels 20; 5*4*2 cancels 40; 3 cancels 39




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Nathan G.

Thank you for the help, but it seems that I am still a little confused on what the final answer is.
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07/04/20

Nathan G.

Oh, nevermind, I see now.
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07/04/20

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