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style=”color:rgb(0,0,0);”>6000 ​women, 3431 say they change their nail polish once a week.

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A survey of 

style=”color:rgb(0,0,0);”>6000 ​women, 3431 say they change their nail polish once a week. Construct a 90 % confidence interval for the population proportion of women who change their nail polish once a week.

A 90​% confidence interval for the population proportion is

 
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