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Here are summary statistics for randomly selected weights of newborn girls n 36 x 3222 2 g s 686 7 g Use a confidence level of 99 to complete parts a through d below a Identify the critical value a 2 used for finding the margin of error 2 0 Round to two decimal places as needed b Find the margin of error E 9 Round to one decimal place as needed c Find the confidence interval estimate of 9 Round to one decimal place as needed d Write a brief statement that interprets the confidence interval Choose the correct answer below O A One has 99 confidence that the interval from the lower bound to the upper bound contains the true value of the population mean weight of newborn girls OB Approximately 99 of sample mean weights of newborn girls will fall between the lower bound and the upper bound OC One has 99 confidence that the sample mean weight of newborn girls is equal to the population mean weight of newborn girls OD There is a 99 chance that the true value of the population mean weight of newborn girls will fall between the lower bound and the upper bound
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