1.
Ben, Jenny, Angela, and Craig all ran in the 1-mile cross-country race. What is the probability that Jenny came in first?
A.
B.
C.
D.
Hint
2.
All whole-number pairs with a sum of 30 are placed into a hat. How many pairs are there?
A.
12
B.
30
C.
15
D.
16
Hint
3.
All whole-number pairs with a sum of 30 are placed into a hat. What is the probability that one of the numbers in the pair selected is greater than 20?
A.
B.
C.
D.
Hint
4.
If the mean of three numbers is 4, what is their sum?
A.
64
B.
12
C.
7
D.
27
Hint
5.
Three whole numbers have a mean of 4. How many such whole-number triples exist?
A.
20
B.
18
C.
19
D.
17
Hint