Question:A
laboratory tested twelve chicken eggs and found that the mean
amount of cholesterol was 208...
Question
A
laboratory tested twelve chicken eggs and found that the mean
amount of cholesterol was 208...
A
laboratory tested twelve chicken eggs and found that the mean
amount of cholesterol was 208 milligrams with s = 18.2 milligrams.
Construct a 95 percent confidence interval for the true mean
cholesterol content of all such eggs.
The mean replacement time for a random sample of 20 washing
machines is 11.0 years and the standard deviation is 2.5
yearsConstruct a 99 % confidence interval for the standard
deviation , o, of the replacement times of all washing machines of
this type.