Question

Logical Thinking, Fall 2020
22. A Television Survey A survey of 250 families in a housing society was taken to determine
how they acquired their television service. The survey found that the families acquired their
television service through a cable service, through a satellite service (dish antenna), or by
using a regular antenna. Of the families surveyed:
155 used a cable service.
142 used a satellite service.
80 used an antenna.
64 used both a cable service and a satellite service.
26 used both a cable service and an antenna.
55 used both a satellite service and an antenna.
14 used all three methods to acquire their television service.
How many of the families in the survey:
a. used only a cable service to acquire their television service?
b. used only a satellite service to acquire their television service?
c. did not use any of the three methods?​

Answer 1

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