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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