Question

A student is chosen at random from this diagram. Let event A = The student is in jazz band. Let event A = The student is in jazz band. Let event B = The student is in drum line.

Which students are in B? What is P(B)?

Which students are in Ac? What is P(Ac)?

I am confused, do i look at the students that are assigned to both? or just one or the other?

Answer 1

The number of students in the drum line are only tow who are Joe and Abbie.

Explanation:

A Venn diagram is an outline that shows all conceivable legitimate relations between a limited assortment of various sets. These outlines delineate components as focuses in the plane, and sets as locales inside shut bends.

A Venn diagram comprises of various covering shut bends, typically circles, each speaking to a set. Since the mathematical term for "a group of things" is "a set", Venn diagrams can be used to illustrate set relationships.