MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Please can someone help with the questions. Not sure of my answers, I m stuck.
You wish to test the following claim at a significance level of a = 0.01. Ho:µ = 67.5 H1:µ < 67.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size 107 with mean 63.3 and a standard deviation of 20.8. What is the test statistic for this sample? (Report answer accurate to 3 decimal places.) What is the p-value for this sample? (Report answer accurate to 4.decimal places.) This test statistic leads to a decision to O reject the null O accept the null O fail to reject the null As such, the final conclusion is that O there is sufficient evidence to conclude that the population mean is equal to 67.5. O there is not sufficient evidence to conclude that the population mean is equal to 67.5. O there is sufficient evidence to conclude that the population mean is less than 67.5. O there is not sufficient evidence to conclude that the population mean is less than 67,5. Submit Question dtv MacBook Air 80 888 DII DD F2 F3 F4 F5 F6 F7 FB F9 @ 2$ 2 3 4 W E * 00 < CO S LO W #
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Transcribed Image Text:You wish to test the following claim at a significance level of a = 0.01. Ho:µ = 67.5 H1:µ < 67.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size 107 with mean 63.3 and a standard deviation of 20.8. What is the test statistic for this sample? (Report answer accurate to 3 decimal places.) What is the p-value for this sample? (Report answer accurate to 4.decimal places.) This test statistic leads to a decision to O reject the null O accept the null O fail to reject the null As such, the final conclusion is that O there is sufficient evidence to conclude that the population mean is equal to 67.5. O there is not sufficient evidence to conclude that the population mean is equal to 67.5. O there is sufficient evidence to conclude that the population mean is less than 67.5. O there is not sufficient evidence to conclude that the population mean is less than 67,5. Submit Question dtv MacBook Air 80 888 DII DD F2 F3 F4 F5 F6 F7 FB F9 @ 2$ 2 3 4 W E * 00 < CO S LO W #
You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly different from 0.12. You use a significance level of a = 0.10. Ho:p = 0.12 H1:p # 0.12 You obtain a sample of size 295 in which there are 20 successes. What is the test statistic for this sample? (Report answer accurate to 3 decimal places.) What is the p-value for this sample? (Report answer accurate to 4 decimal places.) This test statistic leads to a decision to O reject the null O accept the null O fail to reject the null As such, the final conclusion is that O there is sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is different from 0.12. O there is not sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is different from 0.12. O there is sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is equal to 0.12. O there is not sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is equal to 0.12. Submit Question 14 tv MacBook Air 888 F4 DII F2 F3 F5 F6 F7 FB F9 @ 23 24 & 2 3 4 W E R 60 * 00 A LO
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Transcribed Image Text:You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly different from 0.12. You use a significance level of a = 0.10. Ho:p = 0.12 H1:p # 0.12 You obtain a sample of size 295 in which there are 20 successes. What is the test statistic for this sample? (Report answer accurate to 3 decimal places.) What is the p-value for this sample? (Report answer accurate to 4 decimal places.) This test statistic leads to a decision to O reject the null O accept the null O fail to reject the null As such, the final conclusion is that O there is sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is different from 0.12. O there is not sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is different from 0.12. O there is sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is equal to 0.12. O there is not sufficient evidence to conclude that the probability of a true negative on a test for a certain cancer is equal to 0.12. Submit Question 14 tv MacBook Air 888 F4 DII F2 F3 F5 F6 F7 FB F9 @ 23 24 & 2 3 4 W E R 60 * 00 A LO
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