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 No No Yes No No Yes Yes Yes No Yes a. What is the point estimate of the population proportion? Round your answer to three decimal places. i b. Construct a 95% 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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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
No
No
Yes No
No
Yes Yes Yes No
Yes
a. What is the point estimate of the population
proportion?
Round your answer to three decimal places.
i
b. Construct a 95% 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
Transcribed Image Text: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 No No Yes No No Yes Yes Yes No Yes a. What is the point estimate of the population proportion? Round your answer to three decimal places. i b. Construct a 95% 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
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.
The confidence interval is
to
i
The corresponding interval for the population
percentage is
i
% to
i
%.
Transcribed Image Text: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. The confidence interval is to i The corresponding interval for the population percentage is i % to i %.
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