Question

At Sanger’s auto garage, 40% of the cars brought in for service need an oil change. Of the cars that need oil changes, 30% also need a tire rotation. Find the probability that a car that comes into the auto garage needs both an oil change and a tire rotation. A. 0.10 B. 0.12 C. 0.70 D. 0.75

Answer 1

The answer to this question is B.) 0.12

If 40% of people need an oil change and 30% of that number looks like this:

0.4 × 0.3 = 0.12