覓語豢豌:
http://cogpsymania.tistory.com/entry/%EB%B2%A0%EC%9D%B4%EC%A6%88-%EC%A0%95%EB%A6%AC%EB%A5%BC-%EC%89%BD%EA%B2%8C-%ED%91%B8%EB%8A%94-%EB%B0%A9%EB%B2%95
一
60% , 蠍壱殊 50%
40% , 蠍壱殊 40%
譴 襦 觸 覈 蠍壱殊 , 煙 襯?
P(|蠍壱) = P(蠍壱|)P()/P(蠍壱) = 0.4 * 0.4 / 0.46 = 0.139
P() = 0.4
P(蠍壱) = 0.6*0.5 + 0.4*0.4 = 0.46
P(蠍壱|) = 0.4