表达式4: "s" Subscript, 3 , Baseline equals negative 5 positive .5 times left parenthesis, 2 negative left parenthesis, negative 5 , right parenthesis , right parenthesis times left parenthesis, "s" Subscript, 2 , Baseline positive 1 , right parenthesiss3=−5+.5·2−−5·s2+1
equals=
0.2 50.25
4
表达式5: normal distribution left parenthesis, 0 , "s" Subscript, 3 , Baseline , right parenthesisnormaldist0,s3
