Question: A researcher wants to construct a confidence interval to estimate a single proportion. In their sample, there were 30 successes and 18 failures. Can

A researcher wants to construct a confidence interval to estimate a single proportion. In their sample, there were 30 successes and 18 failures. Can they use the normal approximation method to construct this confidence interval? O No, the normal approximation method should not be used O Yes, the normal approximation method may be used

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