ork: 9.2 Interactive Assignment ction Objective 1 Objective 2 ective 3: Determin

Question

ork: 9.2 Interactive Assignment ction Objective 1 Objective 2 ective 3: Determine t-Values 2 Estimating a Population Mean Objective 3 Objective 4 Objective 5 9.2.7 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 0.20 with 21 degrees of freedom. 0850 (Round to three decimal places as needed,) (b) Find the t-value such that the area in the right tail is 0.01 with 23 degrees of freedom 2.5 (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0 005 with 22 degrees offreedom·[Hint: Use symmetry! 8 3.135 (Round to three decimal places as needed.) Enter your ansver in the answer box and then click Check Answer part remaning

Explanation / Answer

a) The critical value of t =0.859

b) The critical value of t = 2.5

c) The critical value of t is = +/-3.119

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