document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169410>Question 1169410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A hypothesis test is to be performed. State the null and alternative hypotheses.\r<BR>\n" );
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document.write( "During the Covid pandemic the proportion of elderly nationwide who have come down with the Covid is 6%. The manufacturer of a Covid vaccine claims that those who get vaccinated are less likely to become ill with Covid.<BR>\n" );
document.write( "Select one:\r<BR>\n" );
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document.write( "A.<BR>\n" );
document.write( "Null hypothesis: proportion of those vaccinated catching the Covid > 6%<BR>\n" );
document.write( "Alternative hypothesis: proportion of those vaccinated catching the Covid < 6%\r<BR>\n" );
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document.write( "B.<BR>\n" );
document.write( "Null hypothesis: proportion of those vaccinated catching the Covid < 6%<BR>\n" );
document.write( "Alternative hypothesis: proportion of those vaccinated catching the Covid = 6%\r<BR>\n" );
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document.write( "C.<BR>\n" );
document.write( "Null hypothesis: proportion of those vaccinated catching the Covid = 6%<BR>\n" );
document.write( "Alternative hypothesis: proportion of those vaccinated catching the Covid < 6%\r<BR>\n" );
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document.write( "D.<BR>\n" );
document.write( "Null hypothesis: proportion of those vaccinated catching the Covid = 6%<BR>\n" );
document.write( "Alternative hypothesis: proportion of those vaccinated catching the Covid ≤ 6% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #794203 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=794203\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I like hypothesis tests to cover the whole spectrum.<BR>\n" );
document.write( "Assume the vaccine doesn't work. <BR>\n" );
document.write( "Ho: the % is > = 6%<BR>\n" );
document.write( "Ha: the % is < 6%<BR>\n" );
document.write( "A is the best choice. </SPAN>\n" );
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