6. one-tailed test, o known ( = 0.05, 11=34 7. two-tailed test, o unknown ( = 0.01 1=23 8. right-tailed test, o unknown 4 = 0.01 n=15 9. one-tailed test, o known a = 0.025 n=37 10. left-tailed test, o known ( = 0.05 1=36 Activity 2. Reject It! Directions: Find the rejection region for each hypothesis test based on the information given. 1. Ho: 1=121 Haj =121 a=0.01 1=39 o=known 2. He: 11=98.6 Ha- #98.6 a=0.05 n= 25 ofunknown 3. He: 11=27 Ha: 1 =27 a=0.05 n=12 ofknown 4. Ho: 11=65 Ha: 1x65 a=0.05 n=9 o=unknown 5. He: 11=2.9 Ha: 132.9 a=0.01 n=50 o known Activity 3. Let's Do Sketch! Directions: Sketch the graph given the critical value and rejection region. 1. z 2 2.33 2. z 1.771 5. 2 5-1.28