document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89211>Question 89211</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with 2/3 three problems:\r<BR>\n" );
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document.write( "1) Find the probability of the result using the normal curve approximation to the binomial distribution. On a hospital floor, 60 patients have a disease with a mortality rate of 0.1. Five of them die.\r<BR>\n" );
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document.write( "2) Find the probability fo the result using the normal curve approximation to the binomial distribution. A battery company has found that the defective rate of its batteries is 0.03. Each day, 400 batteries are randomly tested. On Tuesday,  14 are found to be defective. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #64845 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=64845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) Find the probability of the result using the normal curve approximation to the binomial distribution. On a hospital floor, 60 patients have a disease with a mortality rate of 0.1. Five of them die.<BR>\n" );
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document.write( "The mean is np = (60)(0.1)<BR>\n" );
document.write( "The standard dev. = sqrt(npq)<BR>\n" );
document.write( "Using a TI caluculator you get normalcdf(4.5,5.5,60*0.1,sqrt(60*0.1*0.9))=0.1555..<BR>\n" );
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document.write( "2) Find the probability fo the result using the normal curve approximation to the binomial distribution. A battery company has found that the defective rate of its batteries is 0.03. Each day, 400 batteries are randomly tested. On Tuesday, 14 are found to be defective.<BR>\n" );
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document.write( "Mean = 400*0.3<BR>\n" );
document.write( "Std = sqrt(400*0.03*0.97)<BR>\n" );
document.write( "normalcdf(13.5,14.5,400*0.03,sqrt(400*0.03*0.97)) = 0.09824...<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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