document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=571894>Question 571894</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this.!!!\r<BR>\n" );
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document.write( "The diameters of grapefruits in a certain orchard are normally distributed with a mean of 6.45 inches and a standard deviation of 0.45 inches.  Show all work. <BR>\n" );
document.write( "(A)  What percentage of the grapefruits in this orchard have diameters less than 7.1 inches? <BR>\n" );
document.write( "(B)  What percentage of the grapefruits in this orchard are larger than 6.8 inches? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368214 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=368214\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The diameters of grapefruits in a certain orchard are normally distributed with a mean of 6.45 inches and a standard deviation of 0.45 inches. Show all work. <BR>\n" );
document.write( "(A) What percentage of the grapefruits in this orchard have diameters less than 7.1 inches? <BR>\n" );
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document.write( "z(7.1) = (7.1-6.45)/0.45 = 1.4444<BR>\n" );
document.write( "P(x < 7.1) = P(z < 1.4444) = normalcdf(-100,1.4444) = 0.9257 = 92.57%<BR>\n" );
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document.write( "(B) What percentage of the grapefruits in this orchard are larger than 6.8 inches? <BR>\n" );
document.write( "Comment: Use the same procedure on this problem<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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