A lawyer researched the average number of years served by 45 different justices on the Supreme Court. The average number of years served was 13.8 years with a standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices? Rround to 1 decimal place in the blanks.
Lower limit (first blank) = __________
Upper limit (second blank) = ___________
Lower limit (first blank) = ____11.7_____
Upper limit (second blank) = ___15.9___
This solution shows how to ...
This solution shows details of how to calculate a large sample (n > 30) confidence interval for a popuation mean.