day so one thing you might have heard in the context of information fear this thing called entropy DeShannon a sort of a measure of information so what is entropy by definition so it's just a mathematical definition not talking about properties yet entropy of X what is X X is a random variable right and so X is just really some distribution P of X and so whoo I measure entropy till the entropy of the random variable not a specific institution of that variable but anyways the entropy of the distribution or entry of the random