Survey of subscribers to Forbes showed that 45.8% rented car during past 12 months for business reasons, 54% rented car during past 12 months for personal reasons, and 30% rented car during past 12 months for both business and personal reasons (Forbes 1993 subscriber study).
a) Determine the probability that the subscriber rented car during past 12 month for business or personal reasons?
b) Determine the probability that subscriber didn't rent the car during past 12 months for either business or personal reasons?