SOLUTION: one thousand cars were stopped and tested for faults. The failure rate of two parts is as follows: Light bulbs - 1 in 5 cars. Brakes

SOLUTION: one thousand cars were stopped and tested for faults. The failure rate of two parts is as follows: Light bulbs - 1 in 5 cars. Brakes - 1 in 10 cars. What is the probabilty th

Question 993933: one thousand cars were stopped and tested for faults. The failure rate of two parts is as follows: Light bulbs - 1 in 5 cars. Brakes - 1 in 10 cars. What is the probabilty that one of the cars checked had faulty light bulbs but did not have faulty brakes?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
These are independent
probability of the first occurring is 0.20
probability of the second NOT occurring is 0.90
The probability is their product, or 0.18.
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