Feedback(J0)

Sections, formalism and examples looks good. I can't verify the coverage of important concepts and correctness completely, but I think enough time was spent.

Thank you for the feedback, Hooman.

I read it with more detail, can you look at the denominator of the first formula after this sentence: ^Using the definition of conditional probability, we conduct the following steps

I don't know if $X_{i1}=x_{i1}$ should be there or not.

You are absolutely right. I corrected the error.