document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1090619>Question 1090619</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender&#8203; selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 91 girls in 169 &#8203;births, so the sample statistic of 7/13 results in a z score that is 1 standard deviation above 0. \r<BR>\n" );
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document.write( "a. Identify the null hypothesis and the alternative hypothesis.\r<BR>\n" );
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document.write( "b. What is the value of &#945;&#8203;?\r<BR>\n" );
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document.write( "c. Is the test&#8203; two-tailed, left-tailed, or&#8203; right-tailed?\r<BR>\n" );
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document.write( "d. What are the critical&#8203; value(s)?<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 #705096 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=705096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A 0.1 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender&#8203; selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 91 girls in 169 &#8203;births, so the sample statistic of 7/13 results in a z score that is 1 standard deviation above 0. <BR>\n" );
document.write( "a. Identify the null hypothesis and the alternative hypothesis.<BR>\n" );
document.write( "Ho: p = 0.5<BR>\n" );
document.write( "Ha: p # 0.5<BR>\n" );
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document.write( "b. What is the value of &#945;&#8203;?<BR>\n" );
document.write( "0.1 = 10%<BR>\n" );
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document.write( "c. Is the test&#8203; two-tailed, left-tailed, or&#8203; right-tailed?<BR>\n" );
document.write( "2-tailed<BR>\n" );
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document.write( "d. What are the critical&#8203; value(s)?<BR>\n" );
document.write( "+/- invNorm(0.05) = 1.645<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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