Determine the t-value in each of the cases. Click the icon to view the table of

Question

Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. Find the t-value such that the area in the right tail is 0.005 with 9 degrees of freedom. (Round to three decimal places as needed.) Find the t-value such that the area in the right tail is 0.02 with 10 degrees of freedom. (Round to three decimal places as needed.) Find the t-value such that the area left of the t-value is 0.25 with 25 degrees of freedom. [ Use symmetry.] | (Round to three decimal places as needed.) Find the critical t-value that corresponds to 90% confidence. Assume 8 degrees of freedom. (Round to three decimal places as needed.)

Explanation / Answer

Using the t distribution table find:

(a)t(0.0005,9)=+3.2498

(b)t(0.02,10)=+2.7638

(d)t(0.10,8)=+/-1.8595

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