document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=772066>Question 772066</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Anxiety General Stress Test (ANGST) has been designed to gauge the level of psychological stress management trainees experience when they are under pressure. \r<BR>\n" );
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document.write( " For a random sample of trainees the scores are as follows: 47, 49, 53, 53, 54, 58, 61, 64, 75, 81.\r<BR>\n" );
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document.write( "Complete the calculations below using this data.  Show all of your work and clearly label each of your calculations.   \r<BR>\n" );
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document.write( "a.What is the z score equivalent of ANGST = 81? <BR>\n" );
document.write( "b.What is the probability that someone selected at random will score 81 or lower? <BR>\n" );
document.write( "c.What percentage of all trainees will score between 60 and 75? \r<BR>\n" );
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document.write( "OK for answer (a) I have:\r<BR>\n" );
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document.write( "z = (81 - 59.5)/11.098<BR>\n" );
document.write( "z = 21.5/11.098<BR>\n" );
document.write( "z = 1.937 or 1.94 (rounded up)\r<BR>\n" );
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document.write( "is that correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #470655 by </B><A HREF=/tutors/aboutme.mpl?userid=John10><B>John10(297)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=John10><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/cgi-bin/show-face.mpl?user=John10><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=470655\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi,\r<BR>\n" );
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document.write( "For this problem, you will need to find the MEAN and STANDARD DEVIATION from the data.\r<BR>\n" );
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document.write( "After you found both, you will able to solve part (a) to part (c):\r<BR>\n" );
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document.write( "a) z = (81 - mean)/ s. d = ?\r<BR>\n" );
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document.write( "b)  P(X <= 81) = P( z < result of part a) = ?\r<BR>\n" );
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document.write( "Note: X is variable\r<BR>\n" );
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document.write( "c) P( 60 < x < 75)\r<BR>\n" );
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document.write( "You will find \r<BR>\n" );
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document.write( "z(60)  and z(75) the same process in part (a) and part (b)\r<BR>\n" );
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document.write( "z(60) = (60 - mean)/ s.d ?\r<BR>\n" );
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document.write( "P(z(60) < z < z(75) = ?\r<BR>\n" );
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document.write( "z(75) = (75 - mean)/s.d = ?\r<BR>\n" );
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document.write( "Hope it helps you!\r<BR>\n" );
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document.write( "John10 (john100185@yahoo.com)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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