help me please

[ms&ms]

Hello,

I would like to know if someone can help for the question as below?

Q1:Given the two events E and F, find the probability that only one of the given events occurs.
Q2:Given the two events E and F, find the probability that only the event E occurs.

 

[tkhunny]

Is this a numerical quiz? If so, you'll have to supply some numericals.