A recent survey of local cell phone retailers showed that of all cell phones sold last month, 64% had a camera, 28% had a music player and 22% had both. Which of the
Following statements about cell phones sold last month is true?
A) Having a camera and having a music player are mutually exclusive events.
B) The intersection of having a camera and having a music player is zero.
C) Having a camera and having a music player are independent events.
D) Having a camera and having a music player are disjoint events.
E) Having a camera and having a music player are not mutually exclusive events.

Question

Quizplus · Accepted Answer

The statement "having a camera and having a music player are not mutually exclusive events" is true because 22% of cell phones sold last month had both features. Mutually exclusive events cannot occur at the same time, whereas non-mutually exclusive events can occur simultaneously. Therefore, options A, B, C, and D are not true.

A Recent Survey of Local Cell Phone Retailers Showed That