document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1150361>Question 1150361</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The weights for newborn babies is approximately normally distributed with a mean of 5.1 pounds and a standard deviation of 2 pounds.\r<BR>\n" );
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document.write( "Consider a group of 1300 newborn babies:\r<BR>\n" );
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document.write( "1. How many would you expect to weigh between 3 and 9 pounds? \r<BR>\n" );
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document.write( "2. How many would you expect to weigh less than 7 pounds? \r<BR>\n" );
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document.write( "3. How many would you expect to weigh more than 6 pounds? \r<BR>\n" );
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document.write( "4. How many would you expect to weigh between 5.1 and 10 pounds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #785841 by </B><A HREF=/tutors/aboutme.mpl?userid=MOO04182020><B>MOO04182020(3)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MOO04182020><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=MOO04182020><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=785841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a group of 1300 newborn babies<BR>\n" );
document.write( "mu+=+5.1+<BR>\n" );
document.write( "delta+=+2\r<BR>\n" );
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document.write( "1. How many would you expect to weigh between 3 and 9 pounds?<BR>\n" );
document.write( "z%28x=3%29+=+%283-5.1%29%2F2=+-1.05<BR>\n" );
document.write( "z%28x=7%29+=++%287-5.1%29%2F2=+0.95<BR>\n" );
document.write( "P%28-1.05+%3C+z+%3C+0.95%29 ≈ 0.682085<BR>\n" );
document.write( "0.682085%2A1300=887 ‬babies\r<BR>\n" );
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document.write( "2. How many would you expect to weigh less than 7 pounds?<BR>\n" );
document.write( "z%28x=7%29+=+0.95<BR>\n" );
document.write( "P%28z+%3C+0.95%29 ≈0.828944<BR>\n" );
document.write( "0.828944%2A1300+=+1078 babies\r<BR>\n" );
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document.write( "3. How many would you expect to weigh more than 6 pounds?<BR>\n" );
document.write( "z%28x=6%29+=+0.45<BR>\n" );
document.write( "P%28z+%3E+0.45%29 ≈ 0.326355<BR>\n" );
document.write( "0.326355%2A1300=424 babies<BR>\n" );
document.write( "4. How many would you expect to weigh between 5.1 and 10 pounds?<BR>\n" );
document.write( "z%28x=5.1%29+=+0<BR>\n" );
document.write( "z%28x=10%29+=+2.45<BR>\n" );
document.write( "P%280+%3C+z+%3C+2.45%29 ≈0.492857<BR>\n" );
document.write( "0.492857%2A1300+=+641+ babies </SPAN>\n" );
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