Quiz 13.2-13.3 Review
8. How many ways can you rearrange the letters in the given word?
a) BUBBLE
b) TOMORROW
c) ABRACADABRA
9. A 5 person committee is chosen at random from a group of 8 people. How many different
committees are possible?
10. If there are 8 swimmers in a race, how many ways can the three medals (gold, silver, and bronze) be
awarded to the winners?
11. A college has 11 professors qualified to teach a special computer lab course which requires 2
instructors to be present. What is the probability that Mr. Wax and Mr. Stone are chosen to teach the
class?
12. How many ways can you arrange 7 people in a circle for a game?
13.
14.
15.
16. For her graduation party, Lisa can invite 5 of her 15 classmates to go to a water park. What is the
probability that, chosen at random, Jenny, Amy, Liza, Katy, and Emily are invited?
17. Find the probability the pointer lands on purple.
18. A teacher randomly assigns her 30 students 4-digit I.D. numbers using the digits 0 to 9. No digits are
repeated within an ID number. What is the probability one of the ID numbers is 9876?
19. Kayla and Bianca each bought one raffle ticket at the school fair. If 50 tickets were sold, what is the
probability Kayla bought ticket number 7 and Bianca bought ticket number 10?
20. If you randomly selected a permutation of the letters E, O, G, M, E, R, T, Y, what is the probability
they would spell “geometry”?
*Also see the Geometric Probability Worksheet for more probability problems involving area.