Students was done to determine their majors

Reference no: EM13310942

A survey of 145 college students was done to determine their majors. Let A= the set of those majoring in art, B= the set of those majoring in biology, and C= the set of those majoring in computer science. The study revealed the following information.

n(A)=45

n(B)=55

n(C)=40

n(A?B)=12

n(A?C)=15

n(B?C)=23

n(A?B?C)=2

How many students were not majoring in any of these disciplines?

Reference no: EM13310942

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