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Hypothesis Test: What is the confidence interval for the true proportion of students who support a fee increase?

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A survey of an urban university (population 25,450) showed that 870 of 1100 students sampled supported a fee increase to fund improvements to the student recreation center. Using the 95% level of confidence, what is the confidence interval for the true proportion who support the fee increase?

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Solution Summary

This solution calculates the sample proportion, the standard error, the relevant test statistic, the critical value of the Z score for 95% confidence (from a table) and the confidence interval.

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This is a problem for calculation of confidence interval for proportion
First calculation the sample proportion P=870/1100=0.7909
Then calculate the ...

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