Homework: Chapter 9 Required Practice Score: 0.75 of 1 pt 8 of 17 (14 complete)
ID: 2945718 • Letter: H
Question
Homework: Chapter 9 Required Practice Score: 0.75 of 1 pt 8 of 17 (14 complete) 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 0.025 with 28 degrees of froedom. 2.048 (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tll is 002 with 17 degrees of fredom 2224 (Round to three decimal places as needed.) c) Find the t-value such that th area left of the t-value is 0.005 with 5 degrees of freedom (Hint: Use symmetry) -4.032 (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 50% confidence Assume 16 derroes of freedom. (Round to three decimal places as needed,) Enter your answer in the answer box and then click Check Answer Clear All n.Explanation / Answer
d)
Based on the provided information, 50% = 0.50 confidence level at the critical t-value for alpha = 0.50
and degrees of freedom df = 16 is
tc = 0.690
?
** Other all answer is correct.
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