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A survey of 130 freshmen business students at a local university produced the results listed below. How many students took only psychology?

A survey of 130 freshmen business students at a local university produced the results listed below How many students took only psychology class=

Respuesta :

We could draw the following Venn's diagram to solve this problem.

So, after drawing this diagram, we notice that the number of students that took only psychology were 9.

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