document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=417634>Question 417634</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the probability that the mean MPG for a random sample of 25 light vehicles is between 20 and 25?  under 20?\r<BR>\n" );
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document.write( "under 20 -->  21-20/2.9 = .34<BR>\n" );
document.write( "between 20 and 25 -->  21-25/2.9 = -1.38\r<BR>\n" );
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document.write( "25-20/2.9 = 1.72   in the z table 1.72 = .9572\r<BR>\n" );
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document.write( "I'm not sure what else to do.\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292356 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=292356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the probability that the mean MPG for a random sample of 25 light vehicles is between 20 and 25? under 20? <BR>\n" );
document.write( "under 20 --> 21-20/2.9 = .34<BR>\n" );
document.write( "between 20 and 25 --> 21-25/2.9 = -1.38 <BR>\n" );
document.write( "25-20/2.9 = 1.72 in the z table 1.72 = .9572 <BR>\n" );
document.write( "I'm not sure what else to do. <BR>\n" );
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document.write( "I can't figure out your posted data.<BR>\n" );
document.write( "You have z-scores but you are using different mean values.<BR>\n" );
document.write( "What's going on?<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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