document.write( "Question 854531: Find the critical value zc necessary to form a confidence interval at .93 level of confidence \n" ); document.write( "

Algebra.Com's Answer #514865 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( ".93 level of confidence, z = NORMSINV(.07/2)= 1.8119\r
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document.write( "90%	z =1.645
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document.write( "92%	z = 1.751
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document.write( "95%	z = 1.96
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document.write( "98%	z = 2.326
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document.write( "99%	z = 2.576\r
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