document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=362457>Question 362457</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1).a set of 50 data values has a mean of 40 and a variance of 25. \r<BR>\n" );
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document.write( "a). Find the standard score (z) for a data value = 47. \r<BR>\n" );
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document.write( "b). Find the probability of a data value >47.\r<BR>\n" );
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document.write( "(2). Find the area under the standard normal curve:\r<BR>\n" );
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document.write( "I. to the right of z = 1.83<BR>\n" );
document.write( "II. to the left of z = 1.83 <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #258352 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=258352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1).a set of 50 data values has a mean of 40 and a variance of 25. <BR>\n" );
document.write( "a). Find the standard score (z) for a data value = 47.<BR>\n" );
document.write( "z(47) = (47-40)/25 = 0.28 <BR>\n" );
document.write( "b). Find the probability of a data value > 47.<BR>\n" );
document.write( "P(x> 47) = P(z > 0.28) = 0.3897<BR>\n" );
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document.write( "(2). Find the area under the standard normal curve: <BR>\n" );
document.write( "I. to the right of z = 1.83<BR>\n" );
document.write( "P(z > 1.83) = 0.0336<BR>\n" );
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document.write( "II. to the left of z = 1.83<BR>\n" );
document.write( "P(z < 1.83) = 1-0.0336 = 0.9664<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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