#2: What is the probability of drawing a heart from a well-shuffled standard deck of playing cards?
1/4,
1/52,
1/13,
4/13,
1
1/4
100
#11. In how many orders can 6 different books be placed on a shelf?
1,
6,
12,
36,
720
720
100
17. Mark and Juanita owns a sandwich shop. They offer 3 kinds of bread, 5 kinds of meat, and 3 kinds of cheese. Each type of sandwich has a combination of exactly 3 ingredients: 1 bread, 1 meat, and 1 cheese. How many types of sandwiches are possible?
a. 11
b. 15
c. 30
d. 45
e. 120
45
100
What is Mr. Schlappi's favorite school subject
Math!
200
#1: What is the probability of getting a sum of 8 on one roll of a fair pair of dice?
5,
36,
5/36,
1/5,
1/8
5/36
200
12. How many 4-person committees can be formed from a club of 12 members?
a. 11,880
b. 495
c. 48
d. 3
e. 1
b.
200
16. At a school picnic, 1 junior and 1 senior will be selected to lead the activities. If there are 125 juniors and 100 seniors at the picnic, how many different 2-person combinations of the 1 junior and 1 senior are possible?
a. 25
b. 100
c. 125
d. 225
e. 12,500
12,500
200
Where did Mr. Schlappi go to college?
Brigham Young University (BYU)
300
#4: What is the probability of exactly one head showing when two coins are tossed?
1/4,
3/4,
1,
1/2,
0
1/2
300
#13. How many 4-person committees can be selected from a group of 10 people?
a. 2
b. 40
c. 210
d. 5040
e. 3,628,800
210
300
18. At the school cafeteria, students can choose from 3 different salads, 5 different main dishes, and 2 different desserts. If Isabel chooses one salad, one main dish, and one dessert for lunch, how many different lunches could she choose?
a. 10
b. 15
c. 25
d. 30
e. 50
30
300
Where does Mr. Schlappi stay?
Merry Hill
400
#5: If a marble is randomly chosen from a bag that contains exactly 8 red marbles, 6 blue marbles, and 6 white marbles, what is the probability that the marble will NOT be white?
3/4,
3/5,
4/5,
3/10,
7/10
7/10
400
#15. Kareem has 4 sweaters, 6 shirts, and 3 pairs of slacks. How many distinct outfits, each consisting of a sweater, a shirt, and a pair of slacks, can Kareem select?
a. 13
b. 36
c. 42
d. 72
e. 216
(Hint: do NOT use a permutation or combination equation. It is simpler than those.)
72
400
20. A group of musicians includes 3 drummers, 4 trumpet players, and 5 pianists. How many different jazz trios, each consisting of a drummer, a trumpet player, and a pianist, can be formed from this group of musicians?
a. 3
b. 5
c. 12
d. 17
e. 60
60
400
How many brothers/sisters does Mr. S have?
2 bro, 2 sis
500
#3: A number from the set {1, 2, 3, …, 20} is selected at random. What is the probability that the number is even and less than 10?
1/2,
9/20,
1/5,
9/40,
1/4
1/5
500
22. A certain bank issues 3-letter identification codes to its customers. If each letter can be used only once per code, how many different codes are possible?
a. 26
b. 78
c. 326
d. 15,600
e. 17,576
15,600
500
19. At the school cafeteria, 2 boys and 4 girls are forming a lunch line. If the boys must stand in the first and last places in line, how many different lines can be formed?
a. 2
b. 6
c. 48
d. 360
e. 720