9 choose 6

Lösung

9 C 6

84

Schritte zur Lösung

= \frac{n !}{r ! ( n - r ) !}

Setze ein

n = 9, r = 6

= \frac{9 !}{6 ! ( 9 - 6 ) !}

\frac{9 !}{6 ! ( 9 - 6 ) !} = 84

= 84

3 p i

C (14, 4)

t hi r d q u a r t i l e 9, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23

10 n P r 9

52 C 4