Asurvey of 500 television watchers
produced the information:
285 watch football g...
Mathematics, 24.01.2020 09:31, pjgolden04
Asurvey of 500 television watchers
produced the information:
285 watch football games
195 watch hockey games
115 watch basketball games
45 watch football and basketball
70 watch football and hockey
50 watch hockey and basketball
50 do not watch any of the three games
a. how many people in the survey watch all the three games?
b. how many people watch exactly one of the three games?
Answers: 3
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