A Laboratory Tested 60 Chicken Eggs and Found That the Mean

A laboratory tested 60 chicken eggs and found that the mean amount of cholesterol was 241 milligrams with s = 14.7 milligrams.Construct a 95% confidence interval for the true mean cholesterol content of all such eggs.

A) (230.2,237.8)
B) (231.5,248.6)
C) (231.7,250.3)
D) (233.4,248.6)
E) (231.7,250.5)