a jar contains 7 red marbles, numbered 1 to 7, and 11 blue marbles numbered 1 to 11. a) a marble is chosen at random. if you're told the marble is blue, what is the probability that it has the number 5 on it? correct b) the first marble is replaced, and another marble is chosen at random. if you're told the marble has the number 9 on it, what is the probability the marble is blue? incorrect
