document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1058438>Question 1058438</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question<BR>\n" );
document.write( "It has been found that the times taken by people to complete the income tax form follows a Normal distribution with a mean of 100 minutes and a standard deviation of 20 minutes.<BR>\n" );
document.write( "Calculate the following probabilities:<BR>\n" );
document.write( "1.    A person takes 110 minutes or more to complete the form<BR>\n" );
document.write( "2.    A person takes between 100 and 125 minutes to complete the form<BR>\n" );
document.write( "3.    A person takes between 75 and 115 minutes to complete the form<BR>\n" );
document.write( "4.    A person takes less than 120 minutes to complete the form </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #673513 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=673513\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Calculate a z score for each case. I'll do one you do the others.<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%28110-100%29%2F20=10%2F20=1%2F2 ALIGN=MIDDLE  ALT=\"z=%28110-100%29%2F20=10%2F20=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28x%3E110%29=P%28z%3E1%2F2%29=1-P%28z%3C=1%2F2%29=1-0.691462=0.309 ALIGN=MIDDLE  ALT=\"P%28x%3E110%29=P%28z%3E1%2F2%29=1-P%28z%3C=1%2F2%29=1-0.691462=0.309\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%28x%3C=125%29-P%28x%3C=100%29=P%28x%3C=125%29-0.5 ALIGN=MIDDLE  ALT=\"P=P%28x%3C=125%29-P%28x%3C=100%29=P%28x%3C=125%29-0.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%28x%3C=115%29-P%28x%3C=75%29 ALIGN=MIDDLE  ALT=\"P=P%28x%3C=115%29-P%28x%3C=75%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "4.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%28x%3C=120%29 ALIGN=MIDDLE  ALT=\"P=P%28x%3C=120%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );