1.I conducted a simple logistic regression to predict whether someone would buy a car based solely on whether or not they had previously owned the same make of vehicle. It turns out that it is a significant predictor. The odds ratio was 3.5. Which of the following statements is true?

a. The likelihood that you will purchase a given make of vehicle is 3.5 times higher if you've previously owned that make.

b. The odds of you buying a given make of vehicle is 35% higher if you previously owned that make of vehicle.

c. This odds ratio was miscalculated, that is an impossible value.

d. You are 2.5 times more likely to buy a certain make of vehicle if you've previously owned one