(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.)
Chapter5: Exponential And Logarithmic Functions
Section5.5: Exponential And Logarithmic Models
Problem 4ECP
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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.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3fa757ec-9ef0-41e2-a2d2-ee98e8402c6d%2F5683ff22-1ea5-409a-971a-27c0bb69b602%2Fosjdq5_processed.png&w=3840&q=75)
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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