According to a Survey of Australian Households,the Probability That the Residents

Multiple Choice

According to a survey of Australian households,the probability that the residents own two cars if annual household income is over $50,000 is 80%.Of the households surveyed,60% had incomes over $50,000 and 70% had two cars.
-The probability that the residents of a household own two cars and have an income over $50,000 a year is

A) 0.12.
B) 0.18.
C) 0.22.
D) 0.48.