A marketing firm is hired to conduct rescarch into the listening habits of drivers in a large urban arca. On the first day, 121 drivers were surveyed: 26 listen lo FM radio while driving, 4 of whom listen to only FM. Eight more listen to FM and AM only, while 4 listen to FM and satellite only. There were 6 that listen to only AM, 22 that listen to only satellite, and 69 that listen to at least one of the three. (a) Are there more people who listen to satellite radio, or more who listen to none of the three types in the survey? (b) How many more listen to AM radio than FM? (c) How many listen to some form of radio, but not AM?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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15. A marketing firm is hired to conduct research into the
listening habits of drivers in u large urban arca. On
the first day, 121 drivers were surveyed: 26 listen to
FM radio while driving, 4 of whom listen to only FM.
Eight more listen to FM and AM only, while 4 listen
to FM and satellite only. There were 6 that listen to
only AM, 22 that listen to only satellite, and 69 that
listen to at least one of the three.
(a) Are there more people who listen to satellite
radio, or more who listen to none of the three
types in the survey?
(b) How many more listen to AM radio than FM?
(c) How many listen to some form of radio, but
not AM?
Transcribed Image Text:15. A marketing firm is hired to conduct research into the listening habits of drivers in u large urban arca. On the first day, 121 drivers were surveyed: 26 listen to FM radio while driving, 4 of whom listen to only FM. Eight more listen to FM and AM only, while 4 listen to FM and satellite only. There were 6 that listen to only AM, 22 that listen to only satellite, and 69 that listen to at least one of the three. (a) Are there more people who listen to satellite radio, or more who listen to none of the three types in the survey? (b) How many more listen to AM radio than FM? (c) How many listen to some form of radio, but not AM?
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