Question 1 - W14.1 - Connect X *Course Hero C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/q.. #O M Gmail YouTube Maps Sign in to your IRC... D2L Brightspace Self Service NBCC Background Remo.. My Lab Pearson McGraw Hill Conn. W14.1 i Saved Help Save & Exit Submit Check my work A sample of 13 observations is selected from a normal population for which the population standard deviation is known to be 10. The sample mean is 18. a. Determine the standard error of the mean. (Round the final answer to 3 decimal places.) eBook The standard error of the mean is References b. Explain why we can use formula (8-1) to determine the 80% confidence interval, even though the sample size is less than 30. (Click to select) The population is normally distributed and the population variance is unknown. The population is normally distributed and the population variance is known. d the intermediate calculation to 3 decimal places. Round The population is normally distributed and the sample variance is known. The 80% confidence interval for the population mean is between and Mc Graw HillQuestion 2 - W14.1 - Connect X * Course Hero C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/q. #O M Gmail YouTube Maps Sign in to your IRC.. D2L Brightspace Self Service NBCC Background Remo... My Lab Pearson McGraw Hill Conn. W14.1 i Saved Help Save & Exit Submit Check my work 2 The owner of Britten's Egg Farm wants to estimate the mean number of eggs laid per chicken. A sample of 34 chickens shows they laid an average of 27 eggs per month with a standard deviation of 14 eggs per month. a-1. What is the value of the population mean? (Click to select) eBook 27.00 References It is unknown. st estimate of this value? 14 b-1. Explain why we need to use the t distribution. (Click to select) b-2. What assumption do you need to make? (Click to select) c. For a 80% confidence interval, what is the value of ? (Round the final answer to 3 decimal places.) The value of tis d. Develop the 80% confidence interval for the population mean. (Round the final answers to 2 decimal places.) The 80% confidence interval for the population mean is to [ e. Would it be reasonable to conclude that the population mean is 31 eggs? (Click to select) v What about 35 eggs? (Click to select) v Mc Graw Question 2 - W14.1 - Connect X * Course Hero C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/q. #O M Gmail YouTube Maps Sign in to your IRC.. D2L Brightspace Self Service NBCC Background Remo... My Lab Pearson McGraw Hill Conn. W14.1 i Saved Help Save & Exit Submit Check my work 2 The owner of Britten's Egg Farm wants to estimate the mean number of eggs laid per chicken. A sample of 34 chickens shows they laid an average of 27 eggs per month with a standard deviation of 14 eggs per month. a-1. What is the value of the population mean? (Click to select) v eBook References a-2. What is the best estimate of this value? b-1. Explain why we need to use the t distribution. (Click to select) b-2. What assumption do you need to make? (Click to select) We must assume that the population is normally distributed. We must assume that the population is not normally distributed. nd the final answer to 3 decimal places.) We must assume that the population is binomially distributed. The value of fis d. Develop the 80% confidence interval for the population mean. (Round the final answers to 2 decimal places.) The 80% confidence interval for the population mean isto [ e. Would it be reasonable to conclude that the population mean is 31 eggs? (Click to select) v What about 35 eggs? (Click to select) v Mc Graw Question 3 - W14.1 - Connect X * Course Hero C A ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/q.. #O M Gmail YouTube Maps Sign in to your IRC... D21 Brightspace Self Service NBCC Background Remo.. My Lab Pearson McGraw Hill Conn. W14.1 i Saved Help Save & Exit Submit Check my work 3 Out of a sample of 180 students, 85 indicated that they preferred chocolate ice cream to vanilla ice cream. a. Estimate the value of the population proportion of those who preferred chocolate ice cream. (Round the final answer to 3 decimal places.) eBook Estimated population proportion References b. Compute the standard error of the proportion. (Round the final answer to 4 decimal places.) Standard error of the proportion c. Determine a 80% confidence interval for the population proportion of those who preferred chocolate ice cream. (Round the final answers to 3 decimal places.) Confidence interval for the population proportion is between and d. Interpret your findings. If 180 such intervals were determined, the population: (Click to select) |would be included in about intervals. Mc Graw Hill