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1-a-

A statistics instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weighed the bags. They weighed 10.6, 10.4, 10.7, and 10.9 pounds. @ Assume that the distribution of weights is Normal. Find a 95% confidence interval for the mean weight of all bags of oranges. Use technology for your calculations. Answer parts a and b below. a. Choose the correct interpretation of the confidence interval below and, if necessary, fill in the answer boxes to complete your choice. O A. We are 95% confident that the sample mean is between and O B. We are 95% confident the population mean is between and O C. There is a 95% chance that all intervals will be between and O D. The requirements for constructing a confidence interval are not satisfied. (Type integers or decimals rounded to the nearest thousandth as needed. Use ascending order.)The weights of four randomly and independently selected bags of potatoes labeled 20.0 pounds were found to be 20.8, 21.5, 20.7, and 21.2 pounds. @ Assume Normality. Answer parts (a) and (b) below. a. Find a 95% confidence interval for the mean weight of all bags of potatoes. (OD) (Type integers or decimals rounded to the nearest hundredth as needed. Use ascending order.)The weights of four randomly and independently selected bags of tomatoes labeled 5.0 pounds were found to be 5.1, 5.0, 5.5, and 5.3 pounds. @ Assume Normality. Answer parts (a) and (b) below. a. Find a 95% confidence interval for the mean weight of all bags of tomatoes. (Type integers or decimals rounded to the nearest hundredth as needed. Use ascending order.)