1.

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?

Answer»


ANSWER :(i)`0.5`
(II)`0.375`


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