Bag a contains 3 red balls and 1 blue ball. A bag b contains 1 red ball and 1 blue ball. A ball is randomly picked from each bag. The ball from bag a is the placed into bag b and the ball from bag b is placed into bag a. What is the expected number (or mean) of red balls in the bag a?.

answer:

is this serious

explanation:

eggs are a high protein food! dan is most likely to include them in his diet. according to my sources, "whole eggs are among the healthiest and most nutritious foods on the planet. they are loaded with vitamins, minerals, healthy fats, eye-protecting antioxidants and brain nutrients that most people don't get enough of. whole eggs are high in protein, but egg whites are almost pure protein."