document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=139732>Question 139732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Having a lot of trouble with this. Please help and show me how so I can actually learn from all this. Thanks!\r<BR>\n" );
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document.write( "PS- I am allowed to use Megastat on this so any direction there would be welcomed as well.\r<BR>\n" );
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document.write( "The bi-monthly starting salaries of recent statistician graduates follow the normal distribution with a mean of $2,625 and a standard deviation of $350. (shos all your work please)\r<BR>\n" );
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document.write( "A. What is the z-value for a salary of $2,200?\r<BR>\n" );
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document.write( "B. What is the approximate percent of statisticians making between $2,625 & $2,975?\r<BR>\n" );
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document.write( "C. What is the approximate percent of statisticians making between $2,275 & $2,625? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102054 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=102054\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The bi-monthly starting salaries of recent statistician graduates follow the normal distribution with a mean of $2,625 and a standard deviation of $350. (shos all your work please)\r<BR>\n" );
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document.write( "A. What is the z-value for a salary of $2,200?<BR>\n" );
document.write( "z(2200) = (2200-2625)/350 = -1.21428...<BR>\n" );
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document.write( "B. What is the approximate percent of statisticians making between $2,625 & $2,975?<BR>\n" );
document.write( "Since the mean is 2625 the z-value of 2625 is zero<BR>\n" );
document.write( "z(2975) = (2975-2625)/350 = 1<BR>\n" );
document.write( "P(2625 < x < 2975) = P(0 < z < 1) = 0.3413..<BR>\n" );
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document.write( "C. What is the approximate percent of statisticians making between $2,275 & $2,625?<BR>\n" );
document.write( "P( 2275 < x < 2625) = P(-1 < z < 0) = 0.3413<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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