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. Yes No Yes Yes No Yes No No No No Yes Yes Yes No Yes a. What is the point estimate of the population proportion? Round your answer to three decimal places. p ^ = Enter your answer; point estimate b. Construct a 90 % confidence interval for the percentage of all judges who are in favor of the death penalty. Round your answers for the confidence interval to three decimal places, and your answers for the percentage confidence interval to one decimal places.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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.

Yes No Yes Yes No
Yes No No No No
Yes Yes Yes No Yes



a. What is the point estimate of the population proportion?

Round your answer to three decimal places.

p ^ = Enter your answer; point estimate

b. Construct a 90 % confidence interval for the percentage of all judges who are in favor of the death penalty.

Round your answers for the confidence interval to three decimal places, and your answers for the percentage confidence interval to one decimal places.

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