in a survey 285 watch football 195 watch hockey 115 watch baskletball 45 watch football and basketball 70 football and hockey 50 hockey and basketball 20 watch all three games Find:
a) how many watch atleast one game
b) how many watch football only
c) how many watch exactly one of 3 games
P.s. Give the answer for a 6 marker
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Answer:
how many watch foot ball only
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