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Q11-In a survey of 8000women,5431say they change their nail polish once a week

Q11-In a survey of 8000women,5431say 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=

Q14-SEE ATTACHED FILE “14”

Q15-SEE ATTACHED FIL E”15″

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