Concept explainers
A group of people were surveyed to see which premium cable channels they subscribe to, with the following results 45 watch HBO, 35 Showtime, 25 Cinemax, 14 HBO and Showtime, 12 HBO and Cinemax, 8 Showtime and Cinemax, 5 all three stations, and 15 none of the channels. Answer the following questions:
a) By first filling the regions in the Venn diagram with the appropriate number of responses in each region.
Fill in your answers in the following spaces: a.) _______ b.)_______ c.)_______ d.)________ e.)_______
f.) _______ g.)________ h.)_________
b) How many people subscribed to Cinemax or Showtime, but not HBO?
c) How many people subscribed to exactly one of the channels?
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