The polling firm Gallup, Inc. uses a random-digit dialing machine to assist in making telephone surveys. In fact, 23% of calls made by the machine reach a "live person" who answers the phone. Any given workday is considered more successful if the machine reaches more live persons on that day. Suppose that the machine makes 300 calls a day.
12. What's the minimum number of live persons reached on the 84% of all days which are most successful? (Round to the nearest person.) (a) About 62 persons (b) About 76 persons (c) About 16 persons (d) About 122 persons (e) None of the answers is correct
13. What's the maximum number of live persons reached on the 84% of all days which are least successful? (Round to the nearest person.) (a) About 62 persons (b) About 76 persons (c) About 16 persons (d) About 122 persons (e) None of the answers is correct