Question

In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?

22%
50%
78%
can't be determined

Answer 1

78%

Explanation:

Answer 2

If 22% are sixth graders, then the rest must not sixths graders.

100% of the school - 22% sixth grades = 78% are not sixths graders