For this assignment, you submit answers by question parts. The number of submiss

Question

For this assignment, you submit answers by question parts. The number of submission remaining for each question part only changes you submit or change the answer. Your last submission is used for your score. A survey revealed that 25% percent of 486 respondents said they had in the past sold unwanted gifts over the Internet. Use this information to construct a 95% confidence interval for the population proportion who sold unwanted gifts over the Internet, rounding your margin of error to the nearest hundredth. (Round your answers to two decimal places.)

Explanation / Answer

here point estimate p=0.25

std error of mean =(p(1-p)/n)1/2 where n=486

=0.02

for 95% CI ; z=1.96

hence confidence interval =p -/+z*strd error =0.21 ; 0.29

please reply

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