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One year, the mean age of an inmate on death row was 39.3 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly sell death-row inmates and finds that their mean age is 37.6, with a standard deviation of 9.3. Construct a 95% confidence interval about the mean age. What does the interval imply? Click the icon to view the table of critical t-values. emy Choose the correct hypotheses но н 39.3 H₂: H 39.3 (Type integers or decimals. Do not round.) Construct a 95% confidence interval about the mean age With 95% confidence, the mean age of a death row inmate is between 36.54 years and 40.66 years. (Round to two decimal places as needed.)

One year, the mean age of an inmate on death row was 39.3 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly sell death-row inmates and finds that their mean age is 37.6, with a standard deviation of 9.3. Construct a 95% confidence interval about the mean age. What does the interval imply? Click the icon to view the table of critical t-values. emy Choose the correct hypotheses но н 39.3 H₂: H 39.3 (Type integers or decimals. Do not round.) Construct a 95% confidence interval about the mean age With 95% confidence, the mean age of a death row inmate is between 36.54 years and 40.66 years. (Round to two decimal places as needed.)

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Subject: Probability

One year, the mean age of an inmate on death row was 39.3 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 32 death-row inmates and finds that their mean age is 37.6, with a standard deviation of 9.3. Construct a 95% confidence interval about the mean age. What does the interval imply? Click the icon to view the table of critical t-values. emy Choose the correct hypotheses но н 39.3 H₁ H 39.3 (Type integers or decimals. Do not round.) Construct a 95% confidence interval about the mean age With 95% confidence, the mean age of a death row inmate is between 36.54 years and 40.66 years. (Round to two decimal places as needed.)
Transcribed Image Text:One year, the mean age of an inmate on death row was 39.3 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 32 death-row inmates and finds that their mean age is 37.6, with a standard deviation of 9.3. Construct a 95% confidence interval about the mean age. What does the interval imply? Click the icon to view the table of critical t-values. emy Choose the correct hypotheses но н 39.3 H₁ H 39.3 (Type integers or decimals. Do not round.) Construct a 95% confidence interval about the mean age With 95% confidence, the mean age of a death row inmate is between 36.54 years and 40.66 years. (Round to two decimal places as needed.)
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