Quote:
Originally Posted by MaciekLeks
How do you know that ? I think that is a problem in your proof that you assumed that the joint probability works with Problem 1.9(b) inequality.
To proof (b) I went this way:
1. I used Markov Inequality
2. Problem 1.9(a) gave me this: , hence
Using this the rest of the proof is quite nice to carry out.

I don't think the condition right