(a) Write the claim mathematically and identify

H_(0)

and

H_(a)

.\ A.\

H_(0):\\\\sigma ^(2)=1.27 (Claim) \ H_(a):\\\\sigma ^(2)!=1.27

\ C.\

H_(0):\\\\sigma ^(2)>=1.27\ H_(a):\\\\sigma ^(2)

\ (b) Find the critical value(s) and identify the rejection region(s).\ The critical value(s) is(are)\ (Round to two decimal places as needed. Use a comma to separate answers as needed.)\ B.\

H_(0):\\\\sigma ^(2)1.27

\ D.\

H_(0):\\\\sigma ^(2)!=1.27\ H_(a):\\\\sigma ^(2)=1.27 (Claim)