3. A box contains 12 green marbles and 3 red marbles and you are selecting 5 marbles without replacement. Calculate the following: (a) Number of ways of selecting 5 marbles. (b) Number of ways of selecting exactly 4 green marbles. + 1 red (c) Number of ways of selecting at least 1 red marble. Hint you need to consider 5 cases. (d) Calculate the probability of (b) and (c). Put in lowest term fractional form