In a Recent Semester at a Local University, 500 Students

Multiple Choice

In a recent semester at a local university, 500 students enrolled in both General Chemistry and Calculus I. Of these students, 66 received an A in general chemistry, 73
Received an A in calculus, and 33 received an A in both general chemistry and calculus.
Find the probability that a randomly chosen student received an A in general chemistry or calculus
Or both.

A) 0.278
B) 0.344
C) 0.763
D) 0.212