K Determine the upper-tail critical value to/2 in each of the following circumstances. a. 1- = 0.90, n = 30 b. 1-=0.99, n = 30 c. 1-=0.90, n = 64

Determine the upper-tail critical value t/2 in each of the following circumstances. a. 1=0.90,n=30 b. 1=0.99,n=30 c. 1=0.90,n=64 Determine the upper-tail critical value t/2 in each of the following circumstances. a. 1=0.90,n=30 b. 1=0.99,n=30 c. 1=0.90,n=64