Given that a box has 4 blue marbles, 3 red marbles, and 5 yellow marbles, use the probability formulas to answer the following questions. What is the probability of drawing a blue marble? Drawing a marble that is not red? Drawing a red and yellow marble at once? Drawing a red or blue marble? Drawing a red marble, put it back, and then drawing a yellow marble? Drawing a yellow marble, keeping it, and then drawing another yellow marble? Drawing a yellow marble, given that a red marble was drawn on the first draw and not replaced?