document.write( "Question 269646: 1. Find the critical value z-score necessary to form a confidence interval at a. 90% level of confidence \n" ); document.write( "
Algebra.Com's Answer #197610 by stanbon(75887)\"\" \"About 
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1. Find the critical value z-score necessary to form a confidence interval at a. 90% level of confidence
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\n" ); document.write( "InvNorm(0.95) = 1.645
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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