In a 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 or flosses?
A) 34%
B) 11%
C) 9%
D) 91%
E) 57%

Question

Quizplus · Accepted Answer

The probability that a student eats breakfast or flosses is calculated using the formula P(A or B) = P(A) + P(B) - P(A and B). Here, P(A) = 57%, P(B) = 80%, and P(A and B) = 46%. So, P(A or B) = 57% + 80% - 46% = 91%.

In a Stats Class, 57% of Students Eat Breakfast in the Morning