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Mathematics, 22.01.2020 08:31 lilspike420

There is a new treatment to smokers stop smoking. in an experiment, 90% of 300 smokers quit after 15 days of treatment.
which of the following is the 95% confidence interval?
(0.8554, 0.9446)
(0.8661, 0.9339)
(0.8514, 0.9486)
(0.8715, 0.9285)

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