15 choose 3

Lösung

15 C 3

455

Schritte zur Lösung

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

Setze ein

n = 15, r = 3

= \frac{15 !}{3 ! ( 15 - 3 ) !}

\frac{15 !}{3 ! ( 15 - 3 ) !} = 455

= 455

r an g e 28, 31, 31, 37

10 n C r 7

in t er q u a r t i l e 12, - 25, 2, 3, 21, 8, 10, 14, 3, 18, 21

m o d e 21, 32, 15, 59, 60, 61, 64, 60, 71, 80

m o d e 5, 9, 3, 9, 4, 5, 2, 6, 10, 2