Which of the following statements are CORRECT?
A. The critical value of Z for two tailed test with α = 0.5 is 1.96
B. The critical value of Z for a two tailed test with α = 0.01 is 2.575
C. The critical value of Z for one tailed test with α = 0.05 is 1.96
D. The critical value of Z for a left-tailed test with α = 0.01 is -2.33
Choose the correct answer from the options given below:
1
A, B and C only
2
B, C and D only
3
A, B and D only
4
A and B only