c(6,6)

解答

c (6, 6)

1

求解步骤

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

代入

n = 6, r = 6

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

\frac{6 !}{6 ! ( 6 - 6 ) !} = 1

= 1

a r i t hm e t i c m e an 4, 4, 5, 4, 1, 2, 2, 6, 7, 8

5 C 3

v a r ian ce 96, 131, 138, 142, 150, 151, 156, 156, 156, 165

t hi r d q u a r t i l e 35, 40.1, 31.8, 25.4, 39.5, 17.4, 27.6, 28, 26.6, 27.1

20 n C r 0