document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=932808>Question 932808</A>: <I><SPAN STYLE=\"word-break: break-all;\"> assume the annual day care cost per child is normally distributed with a mean of $9000 and a standard deviation of $2000. in a random sample of 110 families, how many pay more than $6560 annually for day care per child? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566501 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=566501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean of $9000 and a standard deviation of $2000<BR>\n" );
document.write( "n = 110<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=blue+%28x+-+9000%29%2Fblue%282000%2Fsqrt%28110%29%29 ALIGN=MIDDLE  ALT=\"z+=blue+%28x+-+9000%29%2Fblue%282000%2Fsqrt%28110%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "......<BR>\n" );
document.write( "p( x > 6560) = p( z > -2440/190.7) = normalcdf( -12.8, 100) = basically ALL </SPAN>\n" );
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