B12. In a large city 72% of the people are known to own a cell phone, 38% are known to own a pager, and 29% own both a cell phone and a pager. What is the probability that a randomly selected person...

B12. In a large city 72% of the people are known to own a cell phone, 38% are known to own a pager, and 29% own both a cell phone and a pager. What is the probability that a randomly selected person from this city owns a pager, given that the person owns a cell phone?

1. .266


2. .38


3. .403


4. .528