Can someone say if this is right?

Aly is looking for a new car. She has test-driven two cars but can only purchase one. The probability that she will purchase car A is 0.47 and the probability that she will purchase car B is 0.35. What is the probability that she will not purchase either car A or car B?

0.12

0.41

0.82

0.18

Question

Can someone say if this is right?

Aly is looking for a new car. She has test-driven two cars but can only purchase one. The probability that she will purchase car A is 0.47 and the probability that she will purchase car B is 0.35. What is the probability that she will not purchase either car A or car B? 

 0.12 

 0.41 

 0.82 

 0.18

anonymous · Answer

I think it's 0.18 because car A and B add to 0.82, and that plus 0.18 equals 1.00. Is that right?