Sannsynlighet
Moderators: Vektormannen, espen180, Aleks855, Solar Plexsus, Gustav, Nebuchadnezzar, Janhaa
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Guest
[tex]{9\choose4}=\frac{9!}{(9-4)!4!}=\frac{9!}{5!*4!}=\frac{1*2*3*4*5*6*7*8*9}{(1*2*3*4*5)*1*2*3*4}=126[/tex]
Moderators: Vektormannen, espen180, Aleks855, Solar Plexsus, Gustav, Nebuchadnezzar, Janhaa