document.write( "Question 868527: Find the critical value Z a/2 that corresponds to the given confidence level. \r
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Algebra.Com's Answer #523622 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi
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document.write( "99% , 1%/2 = .5% and  invNorm(.005)= 2.58
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document.write( "	a	a/2	2-tailed crtical regions	
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document.write( "80%	0.2	10%	z <-1.28155	z >+1.28155
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document.write( "90%	0.1	5%	z <-1.645	z >+1.645
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document.write( "92%	0.08	4%	z <-1.751	z >+1.751
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document.write( "95%	0.05	2.50%	z <-1.96	z >+1.96
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document.write( "98%	0.02	1%	z <-2.326	z >+2.326
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document.write( "99%	0.01	0.5%	z<-2.576	z >+2.576
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