A recent survey was conducted of the 20 largest

Subject: General Questions    / General General Questions
Question

A recent survey was conducted of the 20 largest public companies in a particular country. Of these20

companies,8 were banking or investment companies based in city X. A total of12

city X companies were on the top 20

list. Suppose we select one of these 20 companies at random. Given that the company is based in cityX, what is the probability that it is a banking or investmentcompany?