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Find the confidence interval specified. Assume that the population is normally distributed. 14) A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 226 14) milligrams with s = 17.9 milligrams. Construct a 95% confidence interval for the true mean cholesterol content of all such eggs. A) 216.7 to 235.3 milligrams B) 214.7 to 237.3 milligrams C) 214.5 to 237.5 milligrams D) 214.6 to 237.4 milligrams