令Z=min(X,Y),则:
P{Z=min(X,Y) > z} = P{X>z,Y>z} = P{X>z}*P{Y>z}
易知:
P{X>z} = 1-z (0==0)
所以:
P{Z=min(X,Y) > z} = [1-z]*[1-e^(-z)] (0=
令Z=min(X,Y),则:
P{Z=min(X,Y) > z} = P{X>z,Y>z} = P{X>z}*P{Y>z}
易知:
P{X>z} = 1-z (0==0)
所以:
P{Z=min(X,Y) > z} = [1-z]*[1-e^(-z)] (0=