In a study of 1000 people, investigators observed who was bitten by a flea and who subsequently developed plague. Five-hundred people developed plague. Of the 600 people who were bitten by a flea, 400developedplague. Of the 400 people who were not bitten by a flea, 100 developed plague.

Please do each of the following:

a. Create the correct 2x2 table. (2 points)

b. Calculate the relative risk.(2 points)

c. Interpret the relative risk using (a) complete sentence(s).(1 point)