In a survey conducted among 560 students in a school, the following information is found in which 320 like football, 300 like volleyball and 500 like at least one of the games
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Step-by-step explanation:
let , no. students in school
n ( s ) = 560 .
let , event A be students be like football
n ( a ) = 320
let , event B be students like volleyball
n ( b ) = 300
now , let event c student like only one game
n ( c ) = n ( a ) - n ( b )
= 320 -300
= 20
therefore , only 20 students like one game
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