In an AP* Stats class, 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent of students eat breakfast and also floss their teeth.
-What is the probability that a student from this class eats breakfast but does not floss their teeth?
A) 91%
B) 11%
C) 57%
D) 9%
E) 34%

Question

Quizplus · Accepted Answer

The probability that a student eats breakfast but does not floss their teeth is found by subtracting the probability of students who both eat breakfast and floss their teeth from the probability of students who eat breakfast. This is 57% - 46% = 11%.

In an AP* Stats Class, 57% of Students Eat Breakfast