In a Survey Involving 550 Likely Democratic Voters and 600

Multiple Choice

In a survey involving 550 likely Democratic voters and 600 likely Republican voters, the question "Do you support or oppose legislation that would require registration of all handguns?" was asked. The following results were obtained. If a randomly chosen respondent in the survey answered "Oppose," what is the probability that he or she is a likely Democratic voter?

A) 0.7317
B) 0.2683
C) 0.2927
D) 0.1783
E) 0.6707