Confidence interval for the proportion of people

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From a sample of 90 people, 30% disagreed with a statement.

a) Construct a 95% confidence interval for the proportion of people agreeing with the statement.

b) Construct a 95% confidence interval for the proportion of people disagreeing with the statement.

c) Compare the lengths of the confidence intervals in parts a) and b).

Reference no: EM1392582

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