Question

Truck dealership advertises that it has 20 trucks for sale. Quality inspector finds that 6 of the trucks have mechanical defects in the engine. If a truck company purchases 2 trucks at random from the dealership then what is the probability that both trucks are in good shape?

Answer 1

Answer: 3%

Explanation:

Answer 2

0.7 or 70%.

Explanation:

Total of 20 trucks.

Trucks in good shape: 14

Trucks with defects: 6

We want to find the probability of choosing two trucks in good shape, so 14/20 gives us the answer: 0.7 -> 70%.