Find the following t* and z* for the corresponding sample sizes and alpha levels.
| Sample size |
a level
|
one tailed or two tailed test |
t* |
z* |
| 2 |
0.05 |
two tailed |
|
|
| 5 |
0.01 |
one tailed |
|
|
| 10 |
0.10 |
two tailed |
|
|
| 30 |
0.05 |
one tailed |
|
|
| 51 |
0.20 |
two-tailed |
|
|
| 101 |
0.02 |
one-tailed |
|
|
Determine the following probabilities.
b.) P(0 ? X ? 2)
c.) P(1 ? X ? 3)
d.) P(1 < X < 2)
e.) P(X < 2)
f.) P(X = 1)