10^6 = 1000000 种.
P(10,6)=10x9x8x7x6x5 = 151200 种.
151200/1000000 = 0.1512 = 15.12%.
2.)6位乘客恰有3人在终点下车的情况共有
C(6,3) x 9^3 = 20x9x9x9 = 14580 种.
所以,6位乘客恰有3人在终点下车的概率是
14580/1000000 = 0.01458 = 1.458%
10^6 = 1000000 种.
P(10,6)=10x9x8x7x6x5 = 151200 种.
151200/1000000 = 0.1512 = 15.12%.
2.)6位乘客恰有3人在终点下车的情况共有
C(6,3) x 9^3 = 20x9x9x9 = 14580 种.
所以,6位乘客恰有3人在终点下车的概率是
14580/1000000 = 0.01458 = 1.458%