According to a survey conducted by Netpop Research, 65% of new car buyers use online search engines as part of their car-buying experience .Another study reported that 11% of new car buyers skip the test drive. Suppose 7% of new car buyers use online search engines as part of their car-buying experience and skip the test drive. If a new car buyer is randomly selected, what is the probability that:

a. the buyer used an online search engine as part of the car-buying experience or skipped the test drive?

b. the buyer did not use an online search engine as part of the car-buying experience or did skip the test drive?

c. the buyer used an online search engine as part of the car-buying experience or did not skip the test drive?