holy lord i cannot do this!!
a bag has 4 red marbles, 4 blue marbles, and 2 green marbles. jessie will randomly pick a marble.
a. if jessie randomly picks a marble, replaces that marble and then randomly picks a second marble, what is the probability that she picks a blue marble and then a green marble? write your answer as a fraction in simplest form. show your work.
b. if jessie picks a marble, keeps it, and then randomly picks a second marble, what is the probability that she picks a red marble and then a blue marble? write your answer as a fraction in simplest form. show your work.