Question

A town has two malls. 62% of the town’s residents shop at Willow Creek Mall. 73% of the residents shop at Two Harbors Mall. 48% of the residents visit both malls. On any given day, what is the probability that a person chosen at random will visit either Willow Creek or Two Harbors?
A. 0.87
B. 0.64
C. 0.62
D. 0.75
E. 0.48

Answer 1

I believe the correct answer is A. 0.87
  On any given day, the probability that a person chosen at random will visit either Willow Creek or Two Harbors is 0.87

How did I get this?
 62% = 0.62    73% = 0.73   48% = 0.48
 
( 0.62 + 0.73 ) - 0.48
  *Sorry had to correct it I did the math again and got 0.87*