SOLUTION: Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation: z(α/2) = 2.58

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Question 633843: Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation: z(α/2) = 2.58
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

99% level of the confidence 



	a	a/2	crtical regions	

80%	0.2	10%	z <-1.282       z >+1.282

90%	0.1	5%	z <-1.645	          z >+1.645

92%	0.8	4%	z <-1.751	          z >+1.751

95%	0.05	2.50%	z <-1.96	          z >+1.96

98%	0.02	1%	z <-2.326	          z >+2.326

99%	0.01	0.50%	z<-2.576	          z >+2.576