by John on (#6A3J4)
Markov’s inequality is very general and hence very weak. Assume that X is a non-negative random variable, a > 0, and X has a finite expected value, Then Markov’s inequality says that In [1] the author gives two refinements of Markov’s inequality which he calls Hansel and Gretel. Hansel says and Gretel says Related posts […]The post Strengthen Markov’s inequality with conditional probability first appeared on John D. Cook.