Determine the t-value in each of the cases. (a) Find the t-value such that the a

Question

Determine the t-value in each of the cases.

(a) Find the t-value such that the area in the right tail is 0.10 with 8 degrees of freedom.

________

(Round to three decimal places as needed.)

(b) Find the t-value such that the area in the right tail is 0.05 with 24 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 0.01 with 27 degrees of freedom. [Hint: Use symmetry.]

______

(Round to three decimal places as needed.)

(d) Find the critical t-value that corresponds to

96% confidence. Assume 30 degrees of freedom.

_______

(Round to three decimal places as needed.)

Explanation / Answer

a) for above t value =1.397

b)for above t value =1.711

c)for above t value =-2.473

d) critical value = -/+ 2.147

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