It is thought by some researchers that exercise for college students is related to the sex of the student. a survey was taken of 470 college students in california that relates their sex to the frequency of exercise per week. the results are summarized in the contingency table below. use this data to answer problems 1, 2 and 3. contingency table what proportion of the students surveyed exercise at least once per week?

contingency table

choose one answer.

a. \frac{160}{470}
b. \frac{248}{470}
c. \frac{310}{470}
d. \frac{321}{470}
e. none of the above