Question

An AFV is a vehicle that runs on fuel other than petroleum fuels (petrol and diesel). It was found that of the 80 members of the club surveyed, 28 of them own at least one hybrid car, 12 of them own at least one electric car, and 4 of them own at least one hybrid and at least one electric car. (Enter your answers to three decimal places.)
(a) If a member of the club is surveyed, what is the probability that he or she owns only hybrid car.
b- If a member of the club is surveyed, what is the probability that he or she owns no alternative fuel vehicles?

Answer 1

make a table

Answer 2

like a venn diagram? because that's what I did