document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238622>Question 238622</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help with the following binomial distributions!!!!!\r<BR>\n" );
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document.write( "1. Apprx 10.3% of americans high school students drop ou bf graduation.  Choose 10 students entering school at randon, find the proability<BR>\n" );
document.write( "a. no more than 2 drop out<BR>\n" );
document.write( "b. at least 6 graduate<BR>\n" );
document.write( "c. all 10 stay and graduate\r<BR>\n" );
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document.write( "2. The % of couples where both parties are in the labor force is 52.1% choose 5 couples at random and find the proability that none of the couples have both persons working<BR>\n" );
document.write( "a. more than 3 couples have both persons in the labor force<BR>\n" );
document.write( "b. fewer than 2 of the couples have both parties working\r<BR>\n" );
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document.write( "3. It has been reported that 83% of federal empleyees use email, if a sample of 200 employees is selected  find the mean, varience, and standard deviation of the number who use email. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175431 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=175431\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you please help with the following binomial distributions!!!!! <BR>\n" );
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document.write( "Comment: I will be using a TI calculator to get the numerical answers.<BR>\n" );
document.write( "You will need a calculator or binomial charts for these problems.<BR>\n" );
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document.write( "1. Apprx 10.3% of americans high school students drop out bf graduation. Choose 10 students entering school at randon, find the proability<BR>\n" );
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document.write( "These are binomial with n=10, p=0.103<BR>\n" );
document.write( "a. no more than 2 drop out<BR>\n" );
document.write( "P(0<= x <=2) = binomcdf(10,0.103,2) = 0.9245<BR>\n" );
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document.write( "b. at least 6 graduate<BR>\n" );
document.write( "P(6 <= x <= 10) = 1 - binomcdf(10,0.103,5) = 0.0001735<BR>\n" );
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document.write( "c. all 10 stay and graduate<BR>\n" );
document.write( "P(x = 10) = binompdf(10,0.103,10) = 0.0000000001344<BR>\n" );
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document.write( "2. The % of couples where both parties are in the labor force is 52.1% choose 5 couples at random and find the proability that none of the couples have both persons working<BR>\n" );
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document.write( "Binomial with n=5, p=0.521<BR>\n" );
document.write( "P(x = 0) = binompdf(5,0.521,0) = 0.0252<BR>\n" );
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document.write( "a. more than 3 couples have both persons in the labor force <BR>\n" );
document.write( "= 1 - binomcdf(5,0.521,3) = 0.2149<BR>\n" );
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document.write( "b. fewer than 2 of the couples have both parties working <BR>\n" );
document.write( "P(0 <= x <= 1) = binomcdf(5,0.521,1) = 0.1624----<BR>\n" );
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document.write( "3. It has been reported that 83% of federal empleyees use email, if a sample of 200 employees is selected find the mean, varience, and standard deviation of the number who use email.<BR>\n" );
document.write( "mean = np = 0.83*200 = 166<BR>\n" );
document.write( "variance = npq = 166*0.17 = 28.22<BR>\n" );
document.write( "std = sqrt(28.22) = 5.3122<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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