Assume that in a marketing study it has been found that on a fall Saturday after
ID: 3128035 • Letter: A
Question
Assume that in a marketing study it has been found that on a fall Saturday afternoon 20% of adult men watch sports programming on network A from 1:00 P.M. to 2:00 P.M., 25% watch on network C from 2:00 P.M. to 3:00 P.M., and 10% watch on both networks. For simplicity assume that viewers of these programs are sure to see advertisements if they are watching a program. If Chips ‘n’ Fish Restaurants advertise only on network C during the sports programming segment, (a) what is the probability that the ad will be seen by a randomly chosen adult man? (b) What would be the probability if they advertise on both networks? (c) If they advertise on both networks, what is the probability that an ad will be seen only on network A?
Explanation / Answer
a) what is the probability that the ad will be seen by a randomly chosen adult man?
Probability will be 0.25
(b) What would be the probability if they advertise on both networks?
Probability will be 0.10
(c) If they advertise on both networks, what is the probability that an ad will be seen only on network A?
Probability will be 0.10 / 0.20 = 0.5