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March 29, 2015

March 29, 2015

Posted by **Jake** on Tuesday, May 22, 2012 at 11:07am.

In how many ways could such a group be composed?

After the seven have been selected, in how many different ways could five of them be assigned to the assembly department?

- math -
**Reiny**, Tuesday, May 22, 2012 at 11:56amnumber of ways to choose 7 from 20

= C(20,7) = 77520

For each of those, the number of ways you can choose 5 out of the 7 is C(7,5) = 21

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