document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=758578>Question 758578</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In recent year, grade 10 new york state public school students taking a geometry mathematics assessment test had a mean raw score of 41 out of 88 total possible points with a standard deviation of 8. Assume that the scores are normally distributed. \r<BR>\n" );
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document.write( "a) Find the probability that a student had a score between 30 and 40. <BR>\n" );
document.write( "b) What percent of the students scored less than 45? <BR>\n" );
document.write( "c) if 108 students took the test, how many had a test score of 49 and higher?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461578 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=461578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question:<BR>\n" );
document.write( "In recent year, grade 10 new york state public school students taking a geometry mathematics assessment test had a mean raw score of 41 out of 88 total possible points with a standard deviation of 8. Assume that the scores are normally distributed.<BR>\n" );
document.write( "a) Find the probability that a student had a score between 30 and 40.<BR>\n" );
document.write( "b) What percent of the students scored less than 45?<BR>\n" );
document.write( "c) if 108 students took the test, how many had a test score of 49 and higher? <BR>\n" );
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document.write( "Answer:<BR>\n" );
document.write( "a. Enter =normdist(40,41,8,TRUE) - normdist(30,41,8,TRUE) on EXCEL, the<BR>\n" );
document.write( "  result is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280.3657%29 ALIGN=MIDDLE  ALT=\"highlight%280.3657%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "b. Enter =normdist(45,41,8,TRUE)  on EXCEL, the<BR>\n" );
document.write( "  result is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280.6915%29 ALIGN=MIDDLE  ALT=\"highlight%280.6915%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > OR 69.15%.<BR>\n" );
document.write( "c. Enter =108*(1 - normdist(49,41,8,TRUE))  on EXCEL, the<BR>\n" );
document.write( "  result is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2817%29 ALIGN=MIDDLE  ALT=\"highlight%2817%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );