#### Herondaleheir

##### New member

- Joined
- Apr 1, 2019

- Messages
- 11

1. Find the approciate rejection regions for the large-sample test statistic z in these cases:

a. A left-tailed test at the 1% significance level.

b. A two-tailed test with α = 0.01

2. Find the p-value for the following large-sample z tests:

a. A right-tailed test with observed z = 1.15

b. A two-tailed test with observed z=-2.78

c. A left-tailed test with observed z=0.81