Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
I've just flagged a question as duplicate ( it was already deleted)
and the link to the original one appears broken - not the link itself but the title:
If this helps, the source of the title of the linked question is:
$E(X|X>Y)$ for i.i.d normals?