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A survey revealed that 25% of 474 respondents said they had in the past sold unwanted...

A survey revealed that 25% of 474 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 2 decimal places. (_______,_______)

Math   Statistics-And-Probability   
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Answer #1

p = 0.25

n = 474

Confidence interval

                               

                               

                                = (0.21 , 0.29)

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