document.write( "Question 1007076: Using the unit normal table, find the proportion under the standard normal curve that lies to the right of each of the following:\r
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Algebra.Com's Answer #623114 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I'll just do the first two, as that's all the time I have. But\r\n" );
document.write( "hopefully you'll catch on to how to do it yourself.\r\n" );
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document.write( "There is a table at this site:\r\n" );
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document.write( "https://www.easycalculation.com/statistics/normal-ztable.php \r\n" );
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document.write( "On that site, for z = 1.00, we find 1 in the far left column and read\r\n" );
document.write( "0.3413 just next to the right of it.  It is in the column headed 0.\r\n" );
document.write( "This table reads right from the middle of the normal curve. What we \r\n" );
document.write( "are reading off the table is the area 0.3413 on the graph below, \r\n" );
document.write( "which is the area between the y-axis and the green line at z=1.  But \r\n" );
document.write( "we want the proportion of area to the right of the green line, so \r\n" );
document.write( "we subtract 0.3413 from one-half or 0.5000 and get \r\n" );
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document.write( " 0.5000\r\n" );
document.write( "-0.3413\r\n" );
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document.write( " 0.1587  <-- the proportion of area to the right of the green line\r\n" );
document.write( "             below at z = 1\r\n" );
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document.write( "Answer: 0.1587\r\n" );
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document.write( "Next we want the proportion of area to the right of -1.05.  On the table\r\n" );
document.write( "we look up 1 on the far left column and then go over to the column headed\r\n" );
document.write( "0.05, and read 0.3531.  That reads the area between the green line below\r\n" );
document.write( "marked at z=-1.05 and the y-axis.  But we also want the whole right half\r\n" );
document.write( "of the area so we must add 0.5000 to that 0.3531\r\n" );
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document.write( " 0.3531\r\n" );
document.write( "+0.5000\r\n" );
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document.write( " 0.8531\r\n" );
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document.write( "So the total proportion of area to the right of the green line at\r\n" );
document.write( "z=-1.05 is 0.8531\r\n" );
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document.write( "Notice that for the c part, you don't need to look in the table, because\r\n" );
document.write( "half the proportion of area is to the right of z=0, so the answer is\r\n" );
document.write( "0.5000.  No need for a table for that one.\r\n" );
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document.write( "If you have any more questions, ask me in the thank-you note form below.\r\n" );
document.write( "I'll get back to you by email.  BTW I don't charge any money. I do this\r\n" );
document.write( "for fun! \r\n" );
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document.write( "Edwin
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