Question

A survery of 500 audience produces the following information, 285 watch football game,
195 watch hockey,
115 watch basket ball
45 watch football and basketball ball, 70 of them watch football n hockey and 50 watch hockey and basketball ball, 50 don't watch any kind of game..
a) How many people in the survey watch all the 3 kinds of games?
b) How many people watch exactly one of the game.. ( Solve using set formula)​

Answer 1

Step-by-step explanation:

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