Confidence interval for the unknown proportion of smokers


Question: We are interested in the proportion of UoI students who smoke. A random sample of n = 400 UoI students is taken. The proportion of smokers in this random sample is 0.25.

Calculate a 95 percent confidence interval for the unknown proportion of smokers among the UoI student population.

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Basic Statistics: Confidence interval for the unknown proportion of smokers
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