There are 6 cards in a box: 1 Red; 2 Blue; 3 Yellow. Cards are randomly selected 1 at a time with replacement. After 100 selections, it's noted that 46 of the selected cards were Yellow. What's the probability that 18 of the selected cards were Red? [You may wish to consider the Multinomial distribution here. ] Produce both an exact expression and a numerical evaluation of it (nearest 0.0001).