document.write( "Question 1181471: A distribution of values is normal with a mean of 49.7 and a standard deviation of 25.\r
\n" ); document.write( "\n" ); document.write( "Find P70, which is the score separating the bottom 70% from the top 30%.\r
\n" ); document.write( "\n" ); document.write( "P70 = _________\r
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\n" ); document.write( "\n" ); document.write( "Enter your answer as a number accurate to 4 decimal places. \n" ); document.write( "

Algebra.Com's Answer #813916 by robertb(5830) $\"\"$ $\"About$

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$\"P%28X+%3C=+P%5B70%5D%29+=+P%28Z+%3C=+%28P%5B70%5D-49.7%29%2F25%29+=+0.70\"$ ===> $\"0.524+=+%28P%5B70%5D-49.7%29%2F25\"$ ===> $\"P%5B70%5D+=+0.524%2A25+%2B+49.7+=+62.8\"$ \r
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\n" ); document.write( "\n" ); document.write( "the z-score was obtained from https://stattrek.com/online-calculator/normal.aspx. \n" ); document.write( "

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