SOLUTION: if a car factory checks 360 cars and 8 of them have defects how many will have defects out of 1260

Question 978974: if a car factory checks 360 cars and 8 of them have defects how many will have defects out of 1260
Answer by ikleyn(52779) (Show Source): You can put this solution on YOUR website!

Let us assume that the defected cars are "uniformly distributed" in the total set of cars.

Then we can write the proportion = for the unknown amount x of defected cars among 1260 cars.

Solving the proportion for x you get

= = = .

Answer. We can expect 28 defected cars.

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