找句子主干

题目

找句子主干
The probability of the event that a given
random variable,X,is between two real numbers,a and
b,which is equal to the shaded area under the density
function,fX(x).

答案

The probability（主语） of the event that a given
random variable,X,is between two real numbers,a and
b,which （代指前面主语）is 系equal to the shaded area under the density
function,fX(x)表
.