一个人的血型为A,B,AB,O型的概率分别为0.37,0.21,0.08,0.34,现任意挑选四人,试求:

1个回答

  • (1)此四人的血型全不相同的概率

    P=0.37*0.21*0.08*0.34=0.00211344

    (2)此四人的血型全部相同的概率

    P=0.37^4+0.21^4+0.08^4+0.34^4=0.03409074