26 choose 7

פתרון

26 C 7

657800

צעדי פתרון

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

n = 26, r = 7

החלף את

= \frac{26 !}{7 ! ( 26 - 7 ) !}

\frac{26 !}{7 ! ( 26 - 7 ) !} = 657800

= 657800

a r i t hm e t i c m e an 1, 2, 3, 4

P (8, 3)

a r i t hm e t i c m e an 1.57, 1.58, 1.58, 1.58, 1

P (8, 1)

a r i t hm e t i c m e an 11, 14, 17, 20