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

question 44

Multiple Choice

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.In comparing the proportions of males versus females,is it safe to assume normality?

• A) Yes,clearly.
• B) Yes,but just barely.
• C) No.
• D) Can't tell without knowing  .

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