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 25 degrees of freedom. | (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.025 with 14 degrees of freedom. |(Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.01 with 30 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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 25 degrees of freedom.
| (Round to three decimal places as needed.)
(b) Find the t-value such that the area in the right tail is 0.025 with 14 degrees of freedom.
|(Round to three decimal places as needed.)
(c) Find the t-value such that the area left of the t-value is 0.01 with 30 degrees of freedom. [Hint: Use symmetry.]
| (Round to three decimal places as needed.)
(d) Find the critical t-value that corresponds to 70% 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 25 degrees of freedom. | (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.025 with 14 degrees of freedom. |(Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.01 with 30 degrees of freedom. [Hint: Use symmetry.] | (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 70% confidence. Assume 21 degrees of freedom. (Round to three decimal places as needed.)
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