27. A bag contains 5 red, 6 green and 4 blue marbles. Four are drawn out at random What is the probabilities of the following events expressing each as a fraction in the lowest term. (a) all are green (b) all are the same color (c) at least 3 are red (d) two blue and one of each of the other colors (e) NOT all are green

21. A box contains five red, two white, and three green marbles. If a marble is selected at random, find these probabilities. b. That it is green. a. That it is red. d. That it is not green. c. That it is not red.

A bag contains 5 red balls and 3 white balls. If 3 balls are drawn with replacement from the bag, what are the probabilities that. a. 2 balls will be red? b. a least 2 balls will be red?

A bag contains 7 red marbles, 9 white marbles, and 10 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? The probability that all the marbles are red is What is the probability that exactly two of the marbles are red? The probability that exactly two of the marbles are red is What is the probability that none of the marbles are red? The probability of picking no red marbles is