document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=354144>Question 354144</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. What is the probability that a randomly chosen infant has a birthweight between 115 oz. and 130 oz.? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #253134 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=253134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. What is the probability that a randomly chosen infant has a birthweight between 115 oz. and 130 oz.?<BR>\n" );
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document.write( "z(115) = (115-110)/15 = 1/3<BR>\n" );
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document.write( "z(130) = (130-110)/15 = 4/3<BR>\n" );
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document.write( "P(115 < x < 130) = P(1/3 < z < 4/3) = 0.2782<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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