(a) The probabilitythat a car beingfilled with petrol will also need an oil change is 0.30 , the probabilitythat It needs a new , oilfilteris 0.40 . And the probabilitythat both the oilfiliter needchangingis 0.15. (OR) (b) An advertisitingexecutive is studyingtelevision viewinghabits of married men and womanduringprimetime hours.Based ont he pastviewingrecords he hasdeterminedthat duringprime time wives are watchingtelevision 60%of the time. It has also been determinedthatwhenthe wife is watching.When the wifeis not watchingthe television 30 %of the time the husbandis watchingthe televison . findthe probabilitythat (i) The husband is watchingthe televisionduringthe prime time of television (ii) if the husbandis watching the television , the wifeis alsowatchingthe television .

(a) The probabilitythat a car beingfilled with petrol will also need a

1.	(a) The probabilitythat a car beingfilled with petrol will also need an oil change is 0.30 , the probabilitythat It needs a new , oilfilteris 0.40 . And the probabilitythat both the oilfiliter needchangingis 0.15. (OR) (b) An advertisitingexecutive is studyingtelevision viewinghabits of married men and womanduringprimetime hours.Based ont he pastviewingrecords he hasdeterminedthat duringprime time wives are watchingtelevision 60%of the time. It has also been determinedthatwhenthe wife is watching.When the wifeis not watchingthe television 30 %of the time the husbandis watchingthe televison . findthe probabilitythat (i) The husband is watchingthe televisionduringthe prime time of television (ii) if the husbandis watching the television , the wifeis alsowatchingthe television .
Answer» ANSWER :(a) 0.375 (B)`2/3 `