What is the upper bounds of the 95 confidence interval for


In a simple random sample of 62 electronic components produced by a certain method, the mean lifetime was 850 hours. Assume that component lifetimes are normally distributed with population standard deviation 220 hours. What is the upper bounds of the 95% confidence interval for the mean lifetime of the components?

Solution Preview :

Prepared by a verified Expert
Basic Statistics: What is the upper bounds of the 95 confidence interval for
Reference No:- TGS02513140

Now Priced at $10 (50% Discount)

Recommended (98%)

Rated (4.3/5)