(Choose 1 answer)
According to a survey of American households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. Of the households surveyed, 60% had incomes over $50,000 and 70% had 2 cars. The probability that the residents of a household own 2 cars and have an income over $50,000 a year is
A. 0.12
B. 0.18
C. 0.22
D. 0.48
Ext 28