In: Statistics and Probability
Solution:-
Given that
n = 657
At 68% confidence level,
E = 1.87
At 68% confidence interval,
(132.43, 136.17)
The 68% confidence interval is (132.43, 136.17)
At 95% confidence level,
E = 3.68
A 95% confidence interval is,
(130.62, 137.98)
The 95% confidence interval is, (130.62, 137.98)
At 99% confidence interval,
E = 4.83
A 99% confidence interval is,
(129.47, 139.13)
The 99% confidence interval is (129.47, 139.13)