Does the Speedo Fastskin II Male Hi-Neck Bodyskin Competition Racing

Does the Speedo Fastskin II Male Hi-Neck Bodyskin competition racing swimsuit improve a swimmer's 200-yard individual medley performance times? A test of 100 randomly chosen male varsity swimmers at several different universities showed that 66 enjoyed improved times, compared with only 54 of 100 female varsity swimmers. To test for equality in the proportions of men versus women who experienced improvement, the test statistic is approximately:

A) 1.73
B) 1.47
C) 2.31
D) Can't tell without knowing the tail of the test.