document.write( "Question 1155920: P(x ≥ 30); μ = 19; σ = 3.9 \n" ); document.write( "

Algebra.Com's Answer #778595 by Theo(13342) $\"\"$ $\"About$

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using my TI-84 Plus calculator, i get p(x >= 30) equal to .0023974099.
\n" ); document.write( "using the online calculator at http://davidmlane.com/hyperstat/z_table.html, i get .0024.
\n" ); document.write( "this is the same answer rounded to 4 decimal digits.
\n" ); document.write( "results from the online calculator are shown below:
\n" ); document.write( " $\"$$$\"$
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