document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161605>Question 1161605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the first 7 months of the<BR>\n" );
document.write( "year, the average precipitation in Toledo, Ohio, is<BR>\n" );
document.write( "19.32 inches. If the average precipitation is normally<BR>\n" );
document.write( "distributed with a standard deviation of 2.44 inches,<BR>\n" );
document.write( "find these probabilities.\r<BR>\n" );
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document.write( "a. A randomly selected year will have precipitation<BR>\n" );
document.write( "greater than 18 inches for the first 7 months.\r<BR>\n" );
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document.write( "b. Five randomly selected years will have an average<BR>\n" );
document.write( "precipitation greater than 18 inches for the first<BR>\n" );
document.write( "7 months. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #785198 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=785198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "=(18-19.32)/2.44<BR>\n" );
document.write( "=-0.5410<BR>\n" );
document.write( "prob z>=-54.10=0.7057\r<BR>\n" );
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document.write( "for 5 years it becomes<BR>\n" );
document.write( "z>-1.32*sqrt(5)/2.44 or z>-1.21<BR>\n" );
document.write( "0.8869 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );