Create confidence interval using four-step process

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Reference no: EM13111972

The random digit dialing telephone survey of 880 drivers asked, " Recalling last ten traffic lights you drove through, how many of them were red when you entered intersection?" Of 880 respondents, 171 admitted that at least one light had been red. Follow four-step process to create 95% confidence interval.

Reference no: EM13111972

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