< Question 10 of 10 > This test: 10 point(s) possible This question: 1 point(s) possible A random sample of 20 recent weddings in a country yielded a mean wedding cost of $26,301.23. Assume that recent wedding costs in this country are normally distributed with a standard deviation of $8200. Complete parts (a) through (c) below. a. Determine a 95% confidence interval for the mean cost, u, of all recent weddings in this country. The 95% confidence interval is from $ to $. (Round to the nearest cent as needed.) b. Interpret your result in part (a). Choose the correct answer below. A. We can be 95% confident that any randomly selected recent wedding cost in this country is somewhere within the confidence interval. B. We can be 95% confident that the mean cost, u, of all recent weddings in this country is somewhere within the confidence interval. C. The mean cost, , of all recent weddings in this country is somewhere within the confidence interval. D. We can be 95% confident that the sample cost of recent weddings in this country is somewhere within the confidence interval. c. Does the mean cost of all recent weddings in this country lie in the confidence interval obtained in part (a)? Explain your answer. Activate Windows Time Remaining: Submit test