A researcher wanted to know the percentage of judges who are in favor of the death penalty.

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A researcher wanted to know the percentage of judges who are in favor of the death penalty. He took a random sample of 15 judges and asked them whether or not they favor the death penalty. The responses of these judges are given here.


a. What is the point estimate of the population proportion?
b. Make a 95% confidence interval for the percentage of all judges who are in favor of the death penalty.

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