Answer to Question #244777 in Statistics and Probability for smilynne

Question

Using z-table, find the critical value(s) for each.

1. ∝= 0.05, two-tailed test

2. ∝= 0.01, left-tailed test

3. ∝= 0.005, right-tailed test

4. ∝= 0.01, right-tailed test

5. ∝= 0.05, left-tailed test

6. ∝= 0.02, left-tailed test

7. ∝= 0.05, right-tailed test

8. ∝= 0.01, two-tailed test

9. ∝= 0.04, left-tailed test

10. ∝= 0.02, right-tailed test

Answer 1

1.

$$z_c=\pm1.96$$

2.

$$z_c=-2.3263$$

3.

$$z_c=2.5758$$

4.

$$z_c=2.3263$$

5.

$$z_c=-1.6449$$

6.

$$z_c=-2.0537$$

7.

$$z_c=1.6449$$

8.

$$z_c=±2.5758$$

9.

$$z_c=-1.7507$$

10.

$$z_c=2.0537$$