Mathematics

Madeline Matthews

8 June, 21:31

The guidance counselor of a large high school reports that 48.5% of Junior Pre-Calculus students signed up to take AP Statistics next year, 52.5% signed up to take AP Calculus next year and 10% of Junior Pre-Calculus students signed up to take both AP Statistics and AP Calculus next year.

If one Junior Pre-Calculus student is selected at random, what is the probability that they did not sign up to take AP Statistics or AP Calculus next year?

(A) 0.09

(B) 0.11

(C) 0.19

(D) 0.91

(E) Not enough information is given to determine the probability