Find confidence interval for percentage of eighth graders

Reference no: EM13120482

The National Institute on Alcohol Abuse and Alcoholism recently reported that of 100 eighth graders recently sampled, 41 of them had used alcohol.

a) Find a 98% confidence interval for the percentage of all eighth graders who have used alcohol. Round the upper and lower bounds to three decimal places.

Reference no: EM13120482

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