∫f(x)dx=1,积分下上限是0和2,可知k=1/2
P{X请问如果求P{X<=0.5}:P{X=0.5}:F(x)用积分求，对概率密度积分倾斜一下解题过程好吗，实在是不会做，谢谢了P{X<=0.5}=∫x/2dx=x^2/4|(0,0.5)=1/16，积分下上限是0和0.5P{X=0.5}=∫x/2dx=x^2/4|(0.5,0.5)=0,积分下上限是0.5和0.5F(x)上边已经解好了解毕