Medicine and Clinical Studies More and more people are trying herbal remedies, including gooseberry juice, eucalyptus oil, and crushed ajwain, for relief from the common cold. The following joint probability table shows the relationship between having tried an herbal remedy and highest degree earned.
Suppose one person is randomly selected.
a. What is the probability that the person has tried an herbal remedy, given that the highest degree earned is from college?
b. If the person has not tried an herbal remedy, what is the probability that the highest degree earned is from high school?
c. Suppose the person has not earned a graduate degree. What is the probability that the person has tried an herbal remedy?
d. Suppose two people are selected at random. What is the probability that exactly one has tried an herbal remedy?