We have a bag of marbles, 8 red and 4 blue. We randomly pull two marbles, with replacement. Find each of the probabilities. Enter your answers as fractions. They do not need to be reduced. a) P(both marbles are red)= b) P(both marbles are blue)= c) P(the two marbles are of the same color)= d) P(the two marbles are of different colors)=