A student was asked to find a 99% confidence interval for widget width using data from a random sample of size n = 19. Which of the following is a correct interpretation of the interval 12 < μ < 30.5?
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- A student was asked to find a 99% confidence interval for the proportion of students who take notes using data from a random sample of size n = 84. Which of the following is a correct interpretation of the interval 0.1 < p < 0.22? Check all that are correct. With 99% confidence, in a proportion of their classes a randomly selected student takes notes in is between 0.1 and 0.22. There is a 99% chance that the proportion of notetakers in a sample of 84 students will be between 0.1 and 0.22. There is a 99% chance that the proportion of the population is between 0.1 and 0.22. The proprtion of all students who take notes is between 0.1 and 0.22, 99% of the time. With 99% confidence, the proportion of all students who take notes is between 0.1 and 0.22.A student was asked to find a 99% confidence interval for widget width using data from a random sample of size n = 26. Which of the following is a correct interpretation of the interval 11.3 < μ < 20.4? Check all that are correct. The mean width of all widgets is between 11.3 and 20.4, 99% of the time. We know this is true because the mean of our sample is between 11.3 and 20.4. With 99% confidence, the mean width of all widgets is between 11.3 and 20.4. With 99% confidence, the mean width of a randomly selected widget will be between 11.3 and 20.4. There is a 99% chance that the mean of the population is between 11.3 and 20.4. There is a 99% chance that the mean of a sample of 26 widgets will be between 11.3 and 20.4.A student was asked to find a 90% confidence interval for the population proportion of students who take notes using data from a random sample of size n = 81. Which of the following is a correct interpretation of the interval 0.14 < p < 0.26? Check all that are correct. There is a 90% chance that the proportion of notetakers in a sample of 81 students will be between 0.14 and 0.26. With 90% confidence, a randomly selected student takes notes in a proportion of their classes that is between 0.14 and 0.26. There is a 90% chance that the proportion of the population is between 0.14 and 0.26. The proprtion of all students who take notes is between 0.14 and 0.26, 90% of the time. With 90% confidence, the proportion of all students who take notes is between 0.14 and 0.26.
- A student was asked to find a 98% confidence interval for widget width using data from a random sample of size n = 22. Which of the following is a correct interpretation of the interval 13.7 < μ < 27.5? Check all that are correct. The mean width of all widgets is between 13.7 and 27.5, 98% of the time. We know this is true because the mean of our sample is between 13.7 and 27.5. There is a 98% chance that the mean of a sample of 22 widgets will be between 13.7 and 27.5. There is a 98% chance that the mean of the population is between 13.7 and 27.5. With 98% confidence, the mean width of a randomly selected widget will be between 13.7 and 27.5. With 98% confidence, the mean width of all widgets is between 13.7 and 27.5.A student was asked to find a 99% confidence interval for widget width using data from a random sample of size n = 24. Which of the following is a correct interpretation of the interval 12 to 33.6? The mean width of all widgets is between 12 and 33.6, 99% of the time. We know this is true because the mean of our sample is between 12 and 33.6. We are 99% confident that the mean width of a randomly selected widget will be between 12 and 33.6. There is a 99% chance that the mean of a sample of 24 widgets will be between 12 and 33.6. We are 99% confident that the mean width of all widgets is between 12 and 33.6. Which is true?A student was asked to find a 90% confidence interval for widget width using data from a random sample of size n = 15. Which of the following is a correct interpretation of the interval 13.5 < μ < 23.1?
- A student was asked to find a 90% confidence interval for the proportion of students who take notes using data from a random sample of size n = 86. Which of the following is a correct interpretation of the confidence interval, 0.12 < p < 0.25? Check all that are correct. There is a 90% chance that the proportion of notetakers in a sample of 86 students will be between 0.12 and 0.25. With 90% confidence, a randomly selected student takes notes in a proportion of their classes that is between 0.12 and 0.25. With 90% confidence, the proportion of All students who take notes is between 0.12 and 0.25.A student was asked to find a 90% confidence interval for widget width using data from a random sample of size n = 20. Which of the following is a correct interpretation of the interval 12.6 < µ< 27.8? Check all that are correct. The mean width of all widgets is between 12.6 and 27.8, 90% of the time. We know this is true because the mean of our sample is between 12.6 and 27.8. There is a 90% chance that the mean of a sample of 20 widgets will be between 12.6 and 27.8. With 90% confidence, the mean width of all widgets is between 12.6 and 27.8. There is a 90% chance that the mean of the population is between 12.6 and 27.8. With 90% confidence, the mean width of a randomly selected widget will be between 12.6 and 27.8.A student was asked to find a 90% confidence interval for widget width using data from a random sample of size n = 20. Which of the following is a correct interpretation of the interval (11.5,21.6)? There is a 90% chance that the mean of a sample of 20 widgets will be between 11.5 and 21.6. The mean width of all widgets is between 11.5 and 21.6, 90% of the time. We know this is true because the mean of our sample is between 11.5 and 21.6. With 90% confidence, the mean width of a randomly selected widget will be between 11.5 and 21.6. We are 90% confident the mean width of all widgets is between 11.5 and 21.6. There is a 90% chance that the mean of the population is between 11.5 and 21.6.
- A student was asked to find a 98% confidence interval for widget width using data from a random sample of size n = 26. Which of the following is a correct interpretation of the interval 13.5 < μ < 29.3? Check all that are correct. The mean width of all widgets is between 13.5 and 29.3, 98% of the time. We know this is true because the mean of our sample is between 13.5 and 29.3. With 98% confidence, the mean width of a randomly selected widget will be between 13.5 and 29.3. There is a 98% chance that the mean of a sample of 26 widgets will be between 13.5 and 29.3. There is a 98% chance that the mean of the population is between 13.5 and 29.3. With 98% confidence, the mean width of all widgets is between 13.5 and 29.3.A student was asked to find a 98% confidence interval for the population proportion of students who take notes using data from a random sample of size n = 80. Which of the following is a correct interpretation of the interval 0.15 < p < 0.27? Check all that are correct. With 98% confidence, the proportion of all students who take notes is between 0.15 and 0.27. The proprtion of all students who take notes is between 0.15 and 0.27, 98% of the time. | There is a 98% chance that the proportion of notetakers in a sample of 80 students will be between 0.15 and 0.27. With 98% confidence, a randomly selected student takes notes in a proportion of their classes that is between 0.15 and 0.27. There is a 98% chance that the proportion of the population is between 0.15 and 0.27.a sociologist found that in a sample of 45 retired men, the average number of jobs they had during theirlifetimes was 7.2. The population standard deviation is 2.3.Find the 90% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimalplace.<h<