1) Let X and Y be two discrete random variables with joint probability mass function Pw (x, y). Show that marginal probability mass function of X can be calculated as follows: Px (1) -Σpw (x.y) yeS, Your proof must contain sample space description and probability axioms.

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.