What is the probability that experience is needed for a randomly selected job opening, give that it is for a part-time work?

Write the probability as a percent. Round to the nearest tenth if needed.

Part-time Full time
Experience needed: 6 2
No experience needed: 8 9

Question

What is the probability that experience is needed for a randomly selected job opening, give that it is for a part-time work?  

Write the probability as a percent. Round to the nearest tenth if needed.  

                                Part-time       Full time
Experience needed: 6                       2
No experience needed: 8                  9

anonymous · Answer

I need help, i have no idea how to do this. And the textbooks aren't helping me understand the problem at all.