The Following Table Lists the World's Five Largest Employers, Along

Multiple Choice

The following table lists the world's five largest employers, along with their industry and nationality (BBC News, March 19, 2012) .You plan to randomly choose one employer from the group.Find the conditional probability that the employer you select is in the defense industry, given that the employer is headquartered in the US.

A) 20%
B) 33%
C) 40%
D) 50%
E) 100%