does the Speedo Fastkin 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 females varsity swimmers. In comparison the proportions of males versus females, is it safe to assume normality? Options: yes clearly, yes barely, no, we cannot tell