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Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean H. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 82 and the standard deviation was 12.6, construct a 99% confidence interval for the mean score of all students. Round to two decimal places. O A. 75.68 < < 88.32 OB. 75.66<u < 88.34 OC. 78.09 < < 85.91 OD....
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean p. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 76 and the standard deviation was 7.7, construct a 99% confidence interval for the mean score of all students. 72.13 < x < 79.87 73.61 < p < 78.39 O 72.54 < p < 79.46 O 72.14< p < 79.89
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 75 and the standard deviation was 5.8, construct a 99% confidence interval for the mean score of all students. Round to two decimal places. A. 73.20<μ<76.80 B. 72.09<μ<77.91 C. 72.08<μ<77.92 D. 72.39<μ<77.61
Question 9 6 pts Use the given degree of confidence and sample data to construct a...
Question 9 6 pts Use the given degree of confidence and sample data to construct a confidence interval for the population mean p. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 76 and the standard deviation was 7.7, construct a 99% confidence interval for the mean score of all students. 72.14< < 79.89 73.61 < p < 78.39 72.13 << 79.87 72.54 < p < 79.46
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95% confidence interval for the mean score of all such subjects. 074.6 < u < 77.8 0 69.2 < <...
Use the given degree of confidence and the sample data to construct a confidence interval for...
Use the given degree of confidence and the sample data to construct a confidence interval for the population mean u. Assuming the population has a normal distribution. The Administrator randomly selected six employees to take an aptitude test. Their scores were: 9.3 81.2 74.9 83.2 83.7 85.5 Determine the margin of error for the 90% confidence interval for the average score for all employees.
complet This Te Use the given degree of confidence and sample data to construct a confidence...
complet This Te Use the given degree of confidence and sample data to construct a confidence interval for the population mean H. Assume that the population has a normal distribution The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 7.3 10.5 9 8 117 17 6.4 11.2 10.2 12.1 Determine a 95% confidence interval for the mean time for all players. A. 7.98 min< <...
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal places When 310 college students are randomly selected and surveyed, it is found that 112 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car. O A. 0.291 <p<0.432 OB. 0.298 <p<0.425 OC. 0.316<p<0.406 OD. 0.308<p <0.415
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal palces. or 97 adults selected randomly from one town, B4 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance O A. 0.581 <p <0.739 OB. 0.566 <p <0.754 OC. 0.536 <p<0.784 OD. 0.548<p<0.772
Use the given degree of confidence and sample data to find a confidence interval for the...
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation . Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation. 21) A sociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95%...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean H. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 82 and the standard deviation was 12.6, construct a 99% confidence interval for the mean score of all students. Round to two decimal places. O A. 75.68 < < 88.32 OB. 75.66<u < 88.34 OC. 78.09 < < 85.91 OD....
Use the given degree of confidence and sample data to construct a confidence interval for the population mean p. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 76 and the standard deviation was 7.7, construct a 99% confidence interval for the mean score of all students. 72.13 < x < 79.87 73.61 < p < 78.39 O 72.54 < p < 79.46 O 72.14< p < 79.89
Question 9 6 pts Use the given degree of confidence and sample data to construct a confidence interval for the population mean p. Assume that the population has a normal distribution. Thirty randomly selected students took the calculus final. If the sample mean was 76 and the standard deviation was 7.7, construct a 99% confidence interval for the mean score of all students. 72.14< < 79.89 73.61 < p < 78.39 72.13 << 79.87 72.54 < p < 79.46
Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95% confidence interval for the mean score of all such subjects. 074.6 < u < 77.8 0 69.2 < <...
Use the given degree of confidence and the sample data to construct a confidence interval for the population mean u. Assuming the population has a normal distribution. The Administrator randomly selected six employees to take an aptitude test. Their scores were: 9.3 81.2 74.9 83.2 83.7 85.5 Determine the margin of error for the 90% confidence interval for the average score for all employees.
complet This Te Use the given degree of confidence and sample data to construct a confidence interval for the population mean H. Assume that the population has a normal distribution The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 7.3 10.5 9 8 117 17 6.4 11.2 10.2 12.1 Determine a 95% confidence interval for the mean time for all players. A. 7.98 min< <...
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal places When 310 college students are randomly selected and surveyed, it is found that 112 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car. O A. 0.291 <p<0.432 OB. 0.298 <p<0.425 OC. 0.316<p<0.406 OD. 0.308<p <0.415
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal palces. or 97 adults selected randomly from one town, B4 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance O A. 0.581 <p <0.739 OB. 0.566 <p <0.754 OC. 0.536 <p<0.784 OD. 0.548<p<0.772
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