You are about to draw a card at random (i.e., all choices have the same probability) from a set of seven cards. Although you cannot see the cards, they are as follows: 5 red hearts, 9 red hearts, 7 black spades, 8 red hearts, 9 black spades, 6 red hearts, and 9 red diamonds.

a. What is the probability that you draw a 9?

b. What is the probability that you draw a red 9?

c. What is the probability that you do not draw a 7?

( LO,1)