Solution Found!
Consider the one-sided confidence interval expressions for
Chapter 8, Problem 3E(choose chapter or problem)
QUESTION:
Consider the one-sided confidence interval expressions for a mean of a normal population.
(a) What value of \(z_{\alpha}\) would result in a 90% CI?
(b) What value of \(z_{\alpha}\) would result in a 95% CI?
(c) What value of \(z_{\alpha}\) would result in a 99% CI?
Questions & Answers
QUESTION:
Consider the one-sided confidence interval expressions for a mean of a normal population.
(a) What value of \(z_{\alpha}\) would result in a 90% CI?
(b) What value of \(z_{\alpha}\) would result in a 95% CI?
(c) What value of \(z_{\alpha}\) would result in a 99% CI?
ANSWER:Step 1 of 5
For a sample mean, , of a random sample of size n from a normal population with known variance , a Confidence Interval on is given by,