Calculate the critical value (Z alpha/2) for the following confidence intervals. This information may be helpful to reference later on the test. Hint: Draw a bell curve. 95% confidence interval a. invnorm (0.99,0,1) leads to Z alpha ?⁄ =±2.33 b. invnorm (0.975,0,1) leads to Z alpha ?⁄ =±1.96 c. invnorm (0.95,0,1) leads to z alpha ?⁄ =±1.645 d. invnorm(0.995,0,1) leads to z alpha ?⁄ =±2.58
Calculate the critical value (Z alpha/2) for the following confidence intervals. This information may be helpful to reference later on the test. Hint: Draw a bell curve. 95% confidence interval a. invnorm (0.99,0,1) leads to Z alpha ?⁄ =±2.33 b. invnorm (0.975,0,1) leads to Z alpha ?⁄ =±1.96 c. invnorm (0.95,0,1) leads to z alpha ?⁄ =±1.645 d. invnorm(0.995,0,1) leads to z alpha ?⁄ =±2.58
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Calculate the critical value
(Z alpha/2)
for the following confidence intervals. This information may be
helpful to reference later on the test. Hint: Draw a bell curve.
95% confidence interval
a. invnorm (0.99,0,1) leads to Z alpha ?⁄ =±2.33
b. invnorm (0.975,0,1) leads to Z alpha ?⁄ =±1.96
c. invnorm (0.95,0,1) leads to z alpha ?⁄ =±1.645
d. invnorm(0.995,0,1) leads to z alpha ?⁄ =±2.58
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