A Laboratory Tested Twelve Chicken Eggs and Found That the Mean

Multiple Choice

A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 237 milligrams with s = 14.0 milligrams.Construct a 95% confidence interval for the true mean cholesterol content of all such eggs.

A) (229.7,244.3)
B) (228.0,246.0)
C) (228.1,245.9)
D) (228.1,246.0)
E) (228.0,244.3)