ermine the​ t-value in each of the cases.   ​(a) Find the​ t-value such that the area in the right tail is 0.05 with 19 degrees of freedom. (Round to three decimal places as​ needed.)   ​(b) Find the​ t-value such that the area in the righ

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Determine the​ t-value in each of the cases.
 
​(a) Find the​ t-value such that the area in the right tail is
0.05 with 19 degrees of freedom.
(Round to three decimal places as​ needed.)
 
​(b) Find the​ t-value such that the area in the right tail is
0.005 with 10 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
0.10 with 14 degrees of freedom.​ [Hint: Use​ symmetry.]
​(Round to three decimal places as​ needed.)
Expert Solution
Step 1

a)

df=19α=0.05t-critical value=?t-critical value at df=19 & α=0.05 is tc=2.093

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