SOLUTION: 3) What are the critical z-values for a two-tailed hypothesis test if the significant level = 0.01?
A. ± 2.58
B. ± 2.33
C. ± 1.65
D. ± 1.96
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-> SOLUTION: 3) What are the critical z-values for a two-tailed hypothesis test if the significant level = 0.01?
A. ± 2.58
B. ± 2.33
C. ± 1.65
D. ± 1.96
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Question 418044: 3) What are the critical z-values for a two-tailed hypothesis test if the significant level = 0.01?
A. ± 2.58
B. ± 2.33
C. ± 1.65
D. ± 1.96 Answer by ewatrrr(24785) (Show Source):
Hi
Note:(NORMSINV(0.005) = -2.57583 as one example of a resource.
As to the critical z-values for a two-tailed hypothesis test: A
a a/2 crtical regions
90% 10 5% z <-1.645 z >+1.645
95% 5 2.50% z <-1.96 z >+1.96
98% 2 1% z <-2.33 z >+2.33
99% 1 0.50% z<-2.575 z >+2.575
