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Yakk · 01-24-2005, 11:50 AM

*nod*, that is the annual success rate.

If the drugs where taken properly, and there is nothing 'unusual' that prevented them from working, with a 99.5% chance of success, over 9 years, the chance of failing 3 times is...

9C3 * 200^-3 * .995^6
=
9*8*7/6 * 200^-3 * .995^6

roughly one in 100,000.

01-24-2005, 11:50 AM	#10 (permalink)
Yakk Wehret Den Anfängen! Location: Ontario, Canada	nod, that is the annual success rate. If the drugs where taken properly, and there is nothing 'unusual' that prevented them from working, with a 99.5% chance of success, over 9 years, the chance of failing 3 times is... 9C3 * 200^-3 * .995^6 = 987/6 * 200^-3 * .995^6 roughly one in 100,000. __________________ Last edited by JHVH : 10-29-4004 BC at 09:00 PM. Reason: Time for a rest.