document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=719122>Question 719122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey, 85% of the voters support a particular referendum. If 40 voters are chosen at random, and X is the number of voters that support this referendum, find the standard deviation X.\r<BR>\n" );
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document.write( "Draw a graph showing the probability distribution for the sample space for tossing four coins.\r<BR>\n" );
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document.write( "On a Saturday evening, 34% of the people in Chicago go out to dinner, 18% see a movie, 13% have a party, and 35% stay home. Seventeen people are randomly selected. Can the probability that exactly 4 of them stay home be computed using binomial model?\r<BR>\n" );
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document.write( "Please help with questions. Need ASAP. Thank you in advance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #441222 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=441222\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a survey, 85% of the voters support a particular referendum. <BR>\n" );
document.write( "If 40 voters are chosen at random, and X is the number of voters <BR>\n" );
document.write( "that support this referendum, find the standard deviation X.<BR>\n" );
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document.write( "std = sqrt(npq) = sqrt(40*0.85*0.15) = 2.26<BR>\n" );
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document.write( "Draw a graph showing the probability distribution for the sample <BR>\n" );
document.write( "space for tossing four coins.<BR>\n" );
document.write( "4 heads::: 4C4/16 = 1/16<BR>\n" );
document.write( "3 heads::: 4C3/16 = 4/16 <BR>\n" );
document.write( "2 heads::: 4C2/16 = 6/16<BR>\n" );
document.write( "1 head:::: 4C1/16 = 4/16<BR>\n" );
document.write( "0 heads::: 4C0/16 = 1/16<BR>\n" );
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document.write( "On a Saturday evening, 34% of the people in Chicago go out to dinner, 18% see a movie, 13% have a party, and 35% stay home. Seventeen people are randomly selected. Can the probability that exactly 4 of them stay home be computed using binomial model?<BR>\n" );
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document.write( "Binomial?? No<BR>\n" );
document.write( "The probability for each of the 17 is not the same.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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