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. what is the probability that a cell phone sold last month had a camera or a music? player?

Question

Alena Cunningham

Mathematics

21 June, 16:08

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. what is the probability that a cell phone sold last month had a camera or a music? player?

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Carlie Guerrero · Answer 1

The probability of having a cell phone with either a camera or a music player is simply the sum of their probabilities minus the probability of having both.

P (camera or music player) = 64% + 28% - 22% = 70%