Test Index

Sets, Relations and Functions

Question : 7 of 65

Marks: +1, -0

A \cup A'

is equal to

Solution:

Concept:

The union of a set and its complement gives the universal set (sample space).

Explanation:

A'

is the set of all elements not in

A

A \cup A'

includes every element that is either in

A

or not in

A

Thus, it contains all elements of the universal set.

In probability or set theory, this universal set is often called the sample space.

Answer:

A \cup A'

is the sample space.

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