12p5

解答

12 p 5

95040

求解步骤

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

代入

n = 12, r = 5

= \frac{12 !}{( 12 - 5 ) !}

\frac{12 !}{( 12 - 5 ) !} = 95040

= 95040

t hi r d q u a r t i l e 54, 55, 59, 61, 61, 62, 68, 70, 72

v a r ian ce 46, 53, 38, 67, 46, 57, 61, 42, 63, 55, 46

in t er q u a r t i l e 4.9, 12.4, 20.5, 28.8, 34.3

52 p 4

17 C 9