If H0 is true and the probability of making a Type I error is ...

[cmoore54]

If H0 is true and the probability of making a Type I error is 0.05, then the probability of making a correct decision is _________.
 
  a. power c. 0.95
  b. 0.05 d. need more information

Question 2

If H0 is in reality false and it is legitimate to use a directional H1, which of the following will yield a more powerful test?
 
  a. one-tailed alternative hypothesis
  b. two-tailed alternative hypothesis
  c. one-tailed or two-tailed alternative hypothesis will yield the same power
  d. type of alternative hypothesis has no effect on power

[bhavsar]

Answer to Question 1

C

Answer to Question 2

A

[cmoore54]

Thank you

[bhavsar]

No problem