document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1051405>Question 1051405</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The federal government states that 79% of Canadians are in favour of Canada's ratifying the Kyoto Accord. If this is the true proportion of Albertans favouring ratification, (Input answers to four decimal places) <BR>\n" );
document.write( " (a) what is the probability that, in a random sample of 40 Albertans, exactly 24 would support ratification? <BR>\n" );
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document.write( "(b) what is the probability that at least 24 but no more than 34 would support ratification? <BR>\n" );
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document.write( "(c) what is the expected number in a sample of 40 Albertans who would oppose<BR>\n" );
document.write( " ratification<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666916 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=666916\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. 24/40= .6 in favor<BR>\n" );
document.write( "z(0.6) = (0.6-0.79)/sqrt[0.79*0.21/40] = -.19/.0644 = -2.95<BR>\n" );
document.write( "p-value = P(z &#8804; -2.95) = .0016 <BR>\n" );
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document.write( "b. 34/40 = .85<BR>\n" );
document.write( "z(0.6) = (0.85-0.79)/sqrt[0.79*0.21/40] = .06/.0644 = .9317<BR>\n" );
document.write( "P(z &#8804; .9317) = .7327<BR>\n" );
document.write( "p-value = P( -2.95 &#8804; z &#8804; .9317) = .8243 - .0016 = .8227 0r 82.27%<BR>\n" );
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document.write( "c. 40(.0016)= .064  none in favor<BR>\n" );
document.write( "40 opposed </SPAN>\n" );
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