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A study on college students found that the men had an average weight of 66 kg and an SD of 9 kg. The women had an average weight of 55 kg and an SD of 9 kg.

(a) Roughly what percentage of men weighed between 57 kg and 75 kg? Round to the nearest whole number:

(b) Roughly what percentage of women weighed between 37 kg and 73 kg? Round to the nearest whole number:

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