A bag contains 3 blue marbles and 5 red marbles. A red marble is taken out of the bag

A)If it is returned to the bag, what is the probability that a red marble will be drawn on the second selection? B)If the red marble is not replaced, what is the probability that a red marble will be drawn on the second selection?

C) What is the probability that a red marble will be selected on the first selection from the bong and another red marble on the second selection from the bog (assuming that the first marble was not replaced)