A random sample of n observations is selected from a normal population to test the null hypothesis that=10. Specify the rejection region for each of the following combinations of Ha,,

and n.

a. Ha:10;=0.01; n=13

b. Ha:>10;=0.05; n=25

c.Ha:>10;=0.10; n=8

d.Ha:<10;=0.05; n=11

e.Ha:10; =0.10; n=17

f.Ha:<10;=0.01; n= 5