You've removed a "good" card from the possibilities. For the first one, there are 10 good cards and 20 total. For the second, there are 9 good cards and 19 total. And so forth.
--Ben Ian Skinner wrote: > Draw 5 numbers from Set B = 10/20 * 9/19 * 8/18 * 7/17 * 6/16. > > Ok, I was going 10/20 * 10/19 * 10/18 * 10/17 * 10/16. > > Can you refresh my very rusty statistics on why both the numerator and > denominator are reduced for each iteration? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Discover CFTicket - The leading ColdFusion Help Desk and Trouble Ticket application http://www.houseoffusion.com/banners/view.cfm?bannerid=48 Message: http://www.houseoffusion.com/lists.cfm/link=i:5:142596 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/5 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:5 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.5 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
