高中数学第二章概率2.3.1离散型随机变量的数学期望省公开课一等奖新名师优质课获奖PPT课件.pptx

阶段,1,阶段,2,阶段,3,学业分层测评,1/46,2/46,平均取值水平,x,1,p,1,x,2,p,2,x,n,p,n,3/46,4/46,5/46,6/46,7/46,p,np,8/46,9/46,10/46,11/46,二点分布与二项分布数学期望,12/46,13/46,14/46,15/46,16/46,17/46,18/46,求离散型随机变量数学期望,19/46,20/46,21/46,22/46,23/46,24/46,25/46,离散型随机变量均值实际应用,26/46,27/46,28/46,29/46,30/46,31/46,32/46,33/46,34/46,35/46,36/46,37/46,38/46,39/46,40/46,41/46,42/46,43/46,44/46,45/46,46/46,