An opinion poll surveyed a simple random sample of 1000 students. Respondents were classified by gender (male or female) and by opinion (Reservation for women, No Reservation, or No Opinion). Results are shown in the observed contingency table below.

Opinion on Women Reservation Row total Yes No Can't Say Male 200 150 50 400 Female 250 300 50 600 Column total 450 450 100 1000