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7.3.6 EQuestion Help al ec us To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za/2, (b) find the critical value ta/2, or (c) state that neither the normal nor the t distribution applies. 95%; n= 400; o = 18.0; population appears to be skewed t-table Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Choose the correct answer below. t distribution: Critical t values Area in One Tail 0.025 O A. ta/2 = 1.649 0.005 0.01 0.05 0.10 ge %3D am Degrees of Freedom Area in Two Tails O B. Za/2 = 1.96 0.01 0.02 0.05 0.10 0.20 63.657 31.821 12.706 6.314 3.078 O c. ta/2 = 1.966 %3D 9.925 5.841 6.965 4.303 2.920 1.886 4.541 3.182 2.353 1.638 O D. Za/2 = 1.645 4.604 3.747 2.776 2.132 1.533 2.015 4.032 3.707 3.365 2.571 2.447 1.476 pc 3.143 1.943 1.440 3.499 2.998 2.365 1.895 1.415 Click to select your answer and then click Check Answer. 3.355 1.397 2.896 2.306 1.860

7.3.6 EQuestion Help al ec us To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za/2, (b) find the critical value ta/2, or (c) state that neither the normal nor the t distribution applies. 95%; n= 400; o = 18.0; population appears to be skewed t-table Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Choose the correct answer below. t distribution: Critical t values Area in One Tail 0.025 O A. ta/2 = 1.649 0.005 0.01 0.05 0.10 ge %3D am Degrees of Freedom Area in Two Tails O B. Za/2 = 1.96 0.01 0.02 0.05 0.10 0.20 63.657 31.821 12.706 6.314 3.078 O c. ta/2 = 1.966 %3D 9.925 5.841 6.965 4.303 2.920 1.886 4.541 3.182 2.353 1.638 O D. Za/2 = 1.645 4.604 3.747 2.776 2.132 1.533 2.015 4.032 3.707 3.365 2.571 2.447 1.476 pc 3.143 1.943 1.440 3.499 2.998 2.365 1.895 1.415 Click to select your answer and then click Check Answer. 3.355 1.397 2.896 2.306 1.860

MATLAB: An Introduction with Applications
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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7.3.6 EQuestion Help al ec us To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za/2, (b) find the critical value ta/2, or (c) state that neither the normal nor the t distribution applies. 95%; n= 400; o = 18.0; population appears to be skewed t-table Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Choose the correct answer below. t distribution: Critical t values Area in One Tail 0.025 O A. ta/2 = 1.649 0.005 0.01 0.05 0.10 ge %3D am Degrees of Freedom Area in Two Tails O B. Za/2 = 1.96 0.01 0.02 0.05 0.10 0.20 63.657 31.821 12.706 6.314 3.078 O c. ta/2 = 1.966 %3D 9.925 5.841 6.965 4.303 2.920 1.886 4.541 3.182 2.353 1.638 O D. Za/2 = 1.645 4.604 3.747 2.776 2.132 1.533 2.015 4.032 3.707 3.365 2.571 2.447 1.476 pc 3.143 1.943 1.440 3.499 2.998 2.365 1.895 1.415 Click to select your answer and then click Check Answer. 3.355 1.397 2.896 2.306 1.860
Transcribed Image Text:7.3.6 EQuestion Help al ec us To construct a confidence interval using the given confidence level, do whichever of the following is appropriate. (a) Find the critical value za/2, (b) find the critical value ta/2, or (c) state that neither the normal nor the t distribution applies. 95%; n= 400; o = 18.0; population appears to be skewed t-table Click here to view a table of critical t-values. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Choose the correct answer below. t distribution: Critical t values Area in One Tail 0.025 O A. ta/2 = 1.649 0.005 0.01 0.05 0.10 ge %3D am Degrees of Freedom Area in Two Tails O B. Za/2 = 1.96 0.01 0.02 0.05 0.10 0.20 63.657 31.821 12.706 6.314 3.078 O c. ta/2 = 1.966 %3D 9.925 5.841 6.965 4.303 2.920 1.886 4.541 3.182 2.353 1.638 O D. Za/2 = 1.645 4.604 3.747 2.776 2.132 1.533 2.015 4.032 3.707 3.365 2.571 2.447 1.476 pc 3.143 1.943 1.440 3.499 2.998 2.365 1.895 1.415 Click to select your answer and then click Check Answer. 3.355 1.397 2.896 2.306 1.860
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