document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388754>Question 388754</A>: <I><SPAN STYLE=\"word-break: break-all;\"> normal distribution N(160,10)<BR>\n" );
document.write( "P(150<X<170)<BR>\n" );
document.write( "mean=160,standard deriviation=sqrt(10)<BR>\n" );
document.write( "P(X<170)=phi(170-160/sqrt(10)=0.9992<BR>\n" );
document.write( "P(X>150)=1-P(X<150)=1-phi(150-160/sqrt(10))=1-phi(-3.16)=1-0.0008=0.9992<BR>\n" );
document.write( "-->p=0<BR>\n" );
document.write( "can you check this answer, what's wrong?<BR>\n" );
document.write( "If the result is wrong, can you give me correct answer<BR>\n" );
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 #275138 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=275138\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The standard deviation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma=10 ALIGN=MIDDLE  ALT=\"sigma=10\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which means that you should have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28170-160%29%2F10 ALIGN=MIDDLE  ALT=\"%28170-160%29%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" > and NOT <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28170-160%29%2Fsqrt%2810%29 ALIGN=MIDDLE  ALT=\"%28170-160%29%2Fsqrt%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Note: remember that the formula is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%28x-mu%29%2Fsigma ALIGN=MIDDLE  ALT=\"z=%28x-mu%29%2Fsigma\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The same applies with the second expression. Let me know if this helps. </SPAN>\n" );
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