I'm going over stuff for the final, but I can't figure out how they did this...

I tried hypergeometric distribution, but my answer was way off from the answer key... :(!

[img]http://i47.tinypic.com/2h2dsuf.png[/img]

Thank you...

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- Aug 8th 2012, 03:46 AMPennCowProbability (help please!)
I'm going over stuff for the final, but I can't figure out how they did this...

I tried hypergeometric distribution, but my answer was way off from the answer key... :(!

[img]http://i47.tinypic.com/2h2dsuf.png[/img]

Thank you... - Aug 8th 2012, 04:14 AMPlatoRe: Probability (help please!)
- Aug 8th 2012, 09:05 AMPennCowRe: Probability (help please!)
Oh... it was just that :(? I added it over like 4 times... I need to look at my formula sheet again. Thank you so much!!!!