comma nothing right parenthesis , (Round to three decimal places as needed.) b) Explain carefully what the interval means. A.We are 98% confident that the interval contains the true proportion of children deficient in vitamin D. B We are 98% confident that the percent of people deficient in vitamin D is 20 %20%. C.We are 98% confident that the percent of children deficient in vitamin D is 20 %20%. D.We are 98% confident that the interval contains the true proportion of people deficient in vitamin D. c) Explain what "98% confidence" means. About 98% of random samples of size

2800 will produce confidence intervals _______________________ that contain the______________________ _ In the following situations, isthe alternative hypothesis one-sided or two-sided? What are the hypotheses? a) Upper A business student conducts a taste