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A study of the career paths of hotel general managers šent questionnalres to an SRS 210 notels Delonging to major Chains There were 95 responses. The average time these 95 general managers had spent with their current company was 11.96 years. Take it as known that the standard deviation of time with the company for all general managers is 1.7 years. Give your answers to at least 2 decimal places, and use at least 3 decimal places in your critical value. (a) Find the margin of error for an 85% confidence interval to estimate the mean time a general manager had spent with their current company: years (b) Find the margin of error for a 99% confidence interval to estimate the mean time a general manager had spent with their current company: years (c) In general, increasing the confidence level the margin of error (width) of the confidence interval. (Enter: "DECREASES", "DOES NOT CHANGE" or "INCREASES", without the quotes.)

A study of the career paths of hotel general managers šent questionnalres to an SRS 210 notels Delonging to major Chains There were 95 responses. The average time these 95 general managers had spent with their current company was 11.96 years. Take it as known that the standard deviation of time with the company for all general managers is 1.7 years. Give your answers to at least 2 decimal places, and use at least 3 decimal places in your critical value. (a) Find the margin of error for an 85% confidence interval to estimate the mean time a general manager had spent with their current company: years (b) Find the margin of error for a 99% confidence interval to estimate the mean time a general manager had spent with their current company: years (c) In general, increasing the confidence level the margin of error (width) of the confidence interval. (Enter: "DECREASES", "DOES NOT CHANGE" or "INCREASES", without the quotes.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A study of the career paths of hotel general managers sent questionnaires to an SRS of 210 hotels belonging to major U.S. hotel chains. There were 95 responses. The average time these 95 general managers had spent with their current company was 11.96 years. Take it as known that the standard deviation of time with the company for all general managers is 1.7 years. Give your answers to at least 2 decimal places, and use at least 3 decimal places in your critical value. (a) Find the margin of error for an 85% confidence interval to estimate the mean time a general manager had spent with their current company: years (b) Find the margin of error for a 99% confidence interval to estimate the mean time a general manager had spent with their current company: years (C) In general, increasing the confidence level the margin of error (width) of the confidence interval. (Enter: "DECREASES", "DOES NOT CHANGE" or "INCREASES", without the quotes..)
Transcribed Image Text:A study of the career paths of hotel general managers sent questionnaires to an SRS of 210 hotels belonging to major U.S. hotel chains. There were 95 responses. The average time these 95 general managers had spent with their current company was 11.96 years. Take it as known that the standard deviation of time with the company for all general managers is 1.7 years. Give your answers to at least 2 decimal places, and use at least 3 decimal places in your critical value. (a) Find the margin of error for an 85% confidence interval to estimate the mean time a general manager had spent with their current company: years (b) Find the margin of error for a 99% confidence interval to estimate the mean time a general manager had spent with their current company: years (C) In general, increasing the confidence level the margin of error (width) of the confidence interval. (Enter: "DECREASES", "DOES NOT CHANGE" or "INCREASES", without the quotes..)
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