高考数学一轮复习第十章计数原理概率随机变量及分布列第4节随机事件的概率科市赛课公开课一等奖省名师优质.pptx

1/67,2/67,3/67,一定会发生,一定不会发生,可能发生也可能不发生,4/67,5/67,概率,概率,频率,6/67,发生,一定发生,B,A,A,B,A,B,7/67,当且仅当事件,A,发生或事件,B,发生,A,B,A,B,当且仅当事件,A,发生且事件,B,发生,A,B,AB,8/67,不可能,不可能,必定事件,9/67,0,1,1,0,P,(,A,),P,(,B,),1,1,P,(,B,),10/67,11/67,12/67,13/67,14/67,15/67,16/67,17/67,18/67,19/67,20/67,21/67,22/67,23/67,24/67,25/67,26/67,27/67,28/67,29/67,30/67,31/67,32/67,33/67,34/67,35/67,36/67,37/67,38/67,39/67,40/67,41/67,42/67,43/67,44/67,45/67,46/67,47/67,48/67,49/67,50/67,51/67,52/67,53/67,54/67,55/67,56/67,57/67,58/67,59/67,60/67,61/67,62/67,63/67,64/67,65/67,66/67,67/67,