Math Help - Independent probabilities

1. Independent probabilities

A and P are independent events. now B occur near A. And Q occur near P. And then C occur near A and B. What are the chances (probabilities) of occurring R near P and Q?

-I'm sorry for my poor English. EN is my second lang.

2. Re: Independent probabilities

Hey jvnet.

What do you mean by occur near? Can you write this in mathematical form?