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You may need to use the appropriate appendix table or technology to answer this question. CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from this standard. (a) Formulate the hypotheses for this application. O Ho: H = 8 H₂:μ#8 O Ho: #28 H₂: <8 OHO: H>8 H:H≤8 O Ho: H <8 H₂: 428 OHO: H≤8 H₂H>8 So (b) A sample of 125 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of a 3.2 minutes. What is the test statistic? (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value= (c) At a = 0.05, what is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. fficient puidence to conclude that the population mean waiting time differs from 8 minutes. Activate Windows Go to Settings to activate Windows. FEDE PLA

You may need to use the appropriate appendix table or technology to answer this question. CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from this standard. (a) Formulate the hypotheses for this application. O Ho: H = 8 H₂:μ#8 O Ho: #28 H₂: <8 OHO: H>8 H:H≤8 O Ho: H <8 H₂: 428 OHO: H≤8 H₂H>8 So (b) A sample of 125 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of a 3.2 minutes. What is the test statistic? (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value= (c) At a = 0.05, what is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. fficient puidence to conclude that the population mean waiting time differs from 8 minutes. Activate Windows Go to Settings to activate Windows. FEDE PLA

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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O Ho:μ≤8 Hμ>8 A sample of 125 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of a = 3.2 minutes. What is the test statistic? (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value At a 0.05, what is your conclusion? O Do not reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. O Reject H. There is insufficient evidence to conclude that the population mean waiting time differs from 8 minutes. O Reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. Do not reject Ho. There is insufficient evidence to conclude that the population mean waiting time differs from 8 minutes. Compute a 95% confidence interval for the population mean. (Round your answers to two decimal places.) to Does it support your conclusion? The confidence interval-Select-- leed Help? Read it Type here to search the hypothesized value of o, therefore we O A -Select-- Ho. The conclusion-Select the same as in part (c). W Activate Wind Go to Settings to a -10°℃ AO
Transcribed Image Text:O Ho:μ≤8 Hμ>8 A sample of 125 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of a = 3.2 minutes. What is the test statistic? (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value At a 0.05, what is your conclusion? O Do not reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. O Reject H. There is insufficient evidence to conclude that the population mean waiting time differs from 8 minutes. O Reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. Do not reject Ho. There is insufficient evidence to conclude that the population mean waiting time differs from 8 minutes. Compute a 95% confidence interval for the population mean. (Round your answers to two decimal places.) to Does it support your conclusion? The confidence interval-Select-- leed Help? Read it Type here to search the hypothesized value of o, therefore we O A -Select-- Ho. The conclusion-Select the same as in part (c). W Activate Wind Go to Settings to a -10°℃ AO
You may need to use the appropriate appendix table or technology to answer this question. CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from this standard. (a) Formulate the hypotheses for this application. Ho: μ = 8 H₂:μ#8 O Ho:μ ≥ 8 H₂ μ< 8 H₂:μ > 8 H₂μ ≤ 8 O HoH < 8 H:μ ≥8 H:μ≤8 H₂H>8 (b) A sample of 125 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of a = 3.2 minutes. What is the test statistic? (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value ta = (c) At a = 0.05, what is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. Reiect H. There is insufficient evidence to conclude that the population mean waiting time differs from 8 minutes. umagami Activate Windows "Go to Settings to activate Windows. 1.1 11:21 PM
Transcribed Image Text:You may need to use the appropriate appendix table or technology to answer this question. CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from this standard. (a) Formulate the hypotheses for this application. Ho: μ = 8 H₂:μ#8 O Ho:μ ≥ 8 H₂ μ< 8 H₂:μ > 8 H₂μ ≤ 8 O HoH < 8 H:μ ≥8 H:μ≤8 H₂H>8 (b) A sample of 125 shoppers showed a sample mean waiting time of 8.4 minutes. Assume a population standard deviation of a = 3.2 minutes. What is the test statistic? (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value ta = (c) At a = 0.05, what is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the population mean waiting time differs from 8 minutes. Reiect H. There is insufficient evidence to conclude that the population mean waiting time differs from 8 minutes. umagami Activate Windows "Go to Settings to activate Windows. 1.1 11:21 PM
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