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(d) Find the critical t-value that corresponds to 98% confidence. Assume 21 degrees of freedom. (Round to three decimal places as needed.)

(d) Find the critical t-value that corresponds to 98% confidence. Assume 21 degrees of freedom. (Round to three decimal places as needed.)

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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Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. ... (a) Find the t-value such that the area in the right tail is 0.25 with 26 degrees of freedom. .684 (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.20 with 7 degrees of freedom. .896 (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.10 with 26 degrees of freedom. [Hint: Use symmetry.] - 1.315 (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 98% confidence. Assume 21 degrees of freedom. (Round to three decimal places as needed.)
Transcribed Image Text:Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. ... (a) Find the t-value such that the area in the right tail is 0.25 with 26 degrees of freedom. .684 (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.20 with 7 degrees of freedom. .896 (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.10 with 26 degrees of freedom. [Hint: Use symmetry.] - 1.315 (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 98% confidence. Assume 21 degrees of freedom. (Round to three decimal places as needed.)
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