Solve it correctly and completely please. I will rate accordingly with multiple votes.

14. A researcher genotyped 2500 people to investigate the association between gene A+ and cases of stroke. He found that of 1578 with stroke, 1200 people had gene A+; and of the controls 500 had gene A- What is the standard error of the measure of association? a) 0.88 b) 1.80 c) 1.09 D) 0.56 e) None of the above