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Posted by on Wednesday, December 12, 2012 at 6:54pm.

1. How many ways can I select 10 people to attend a conference if 4 must be Republicans and 6 must be Democrats if there are 10 Republicans and 15 Democrats?

  • Math - , Thursday, December 13, 2012 at 12:22am

    15C6 x 10C4=

    5005 x 210=

    1,051,050

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