1. A researcher sets alpha equal to .05 for a two-tailed test and estimates that statistical power is equal to .80. For this research situation:

a. The type I error probability is equal to ___.

b. The type II error probability is equal to ___.

2. A researcher sets alpha equal to .05 for a one-tailed test and estimates that statistical power is equal to .75. For this research situation:

a. The type I error probability is equal to ___.

b. The Type II error probability is equal to ___.

3. A researcher sets the type I error probability equal to .01 for a two-tailed test and estimates that the type II error probability is equal to .15. For this research situation:

a. α = ___.

b. β = ___.

c. Statistical power = ___.

4. A researcher sets the type I error probability equal to .05 for a one-tailed test and estimates that the type II error probability is equal to .32. For this research situation:

a. α = ___.

b. β = ___.

c. Statistical power = ___.