A Recent Survey of Local Cell Phone Retailers Showed That

Essay

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.
a. What is the probability that a cell phone sold last month had a camera or a music player?
b. What is the probability that a cell phone sold last month did not have either a camera or a music player?
c. Are the events of a cell phone having a camera and a music player disjoint or mutually exclusive? Explain.