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[匿名]

2011-03-19 3:34 am

time(min) 1-10 11-20 21-30 31-40 41-50 51-60 61-70
frequency 12 30 67 37 32 17 5

1-10 ,12 11-20 , 30 21-30 ,67 31-40 ,37 41-50 ,32 51-60 ,17 61-70 ,5

According to the suggestion of the Department of Health, an employed person is recommended to exercise for 20.5 min or more every day. What percentage of employed people did not follow the recommendations?

更新1:

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回答 (3)

[匿名]

2011-03-20 4:07 am

✔ 最佳答案

中文MEANING 上面 D人比佐你,我正係幫你答問題就得. (> O <)

percentage of employed people did not follow the recommendations :

= 12+30 X 100%
12 +30 + 67 + 37 + 32 + 17 + 5

= 42 X 100%
200

= 21%

希望幫到你

參考: 自己

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myisland8132

2011-03-19 4:40 am

時間(min) 1-10 11-20 21-30 31-40 41-50 51-60 61-70
頻率 12 30 67 37 32 17 5

根據衛生署的建議﹐每個員工每天要做20.5分鐘的運動。有多少百分比的僱員沒有跟隨建議？

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