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?

Question

Mathematics

Cooper Atkinson

26 March, 19:24

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?

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Answers (2)

Know the Answer?

Holt · Answer 1

Answer: 3%

Squirt · Answer 2

0.7 or 70%.

Step-by-step 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%.