高中数学第二章概率2.3.2离散型随机变量的方差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,1/46,2/46,3/46,(,x,1,E,(,X,),2,p,1,(,x,2,E,(,X,),2,p,2,(,x,n,E,(,X,),2,p,n,平均波,动大小,离散程度,4/46,5/46,6/46,7/46,p,(1,p,),np,(1,p,),8/46,9/46,10/46,离散型随机变量方差性质及应用,11/46,12/46,13/46,14/46,15/46,16/46,17/46,18/46,求离散型随机变量方差、标准差,19/46,20/46,21/46,22/46,23/46,24/46,25/46,26/46,期望、方差综合应用,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,