For each one of the following figures, identify if it is a valid CDF. The value of the CDF at points of discontinuity is indicated with a small solid circle.
(original images belonging to: "The science of uncertainty")
1. No, it is not a valid CDF
2. Yes, it is not a valid CDF
3.No, it is not a valid CDF
4.No, it is not a valid CDF
1 answer
No,No,Yes,No