and 4 with red and green on them. What is the probability that a randomly chosen marble has either green or red on it? Note that these events are not mutually exclusive. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
cookies and 5 oatmeal raisin cookies. What is the probability that Noah randomly selects a peanut butter cookie from the bag, eats it, then randomly selects another peanut butter cookie?