The probability that a person stopping at a gas station will ask to have his
tyres checked is 0.12, the probability that he will ask to have his oil checked
is 0.29 and the probability that he will ask to have them both checked is 0.07.
What is the probability that a person who has his oil checked will also have his
tyres checked ?
(A) 0.24
(B) 0.58
(C) 0.07
(D) 0.36
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