Give a 95 confidence interval for the average lengths of


The lengths of pins produced by an automatic lathe are normally distributed. A random sample of 20 pins gives a sample mean of 0.992 inch and a sample standard deviation of 0.013 inch.

a. Give a 95% confidence interval for the average lengths of all pins produced.

b. Give a 99% confidence interval for the average lengths of all pins produced.

Request for Solution File

Ask an Expert for Answer!!
Basic Statistics: Give a 95 confidence interval for the average lengths of
Reference No:- TGS02170300

Expected delivery within 24 Hours