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The probability that a car being filled ...

The probability that a car being filled with petrol will also need an oil change is 0.30, the probability that it needs a new oil filter is 0.40, and the probability that both the oil and filter need changing is 0.15.
(i)If the oil had to be changed, what is the probability that a new oil filter is needed?
(ii)If a new oil filter is needed, what is the probability that the oil has to be changed?

Text Solution

Verified by Experts

The correct Answer is:
(i)`0.5`
(ii)`0.375`
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