Question

22. If 1 student is selected at random from the table below, what is the

probability that the student is from a family that has 3 or 4 children?
A) 2/9
B) 2.27
C) 7/27
D) 1/3

Answer 1

c. 7/27

Explanation:

add 5 +10 + 7 + 2 + 2 + 1 = 27

3 + 4 = 7

7/27

Answer 2

9/27 people have 3-4 kids
Simplified to 1/3.