A basket contains 3 white balls, 2 yellow balls, and 5 red balls. Consider selecting one ball at a time from the basket. (Show all work. Just the answer, without supporting work, will receive no credit.)
a. Assuming the ball selection is with replacement. What is the probability that the first ball is red and the second ball is also red?
b. Assuming the ball selection is without replacement. What is the probability that the first ball is red and the second ball is also red?