document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1081149>Question 1081149</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ages of actresses when they won an acting award is summarized by the statistics n = 75&#8203; x = 35.7 ans s = 11.4  Use a 0.01 significance level to test the claim that the mean age of actresses when they win an acting award is 33.\r<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 #695227 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=695227\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: mu=33<BR>\n" );
document.write( "Ha: mu NE 33<BR>\n" );
document.write( "alpha 0.01<BR>\n" );
document.write( "test statistic is a t (df=74, 0.995)= (xbar-mu)/s/sqrt (n)<BR>\n" );
document.write( "critical value is |t|> 2.64<BR>\n" );
document.write( "t=2.7/11.4/sqrt(75)=2.7*sqrt (75)/11.4=2.05<BR>\n" );
document.write( "p=0.044<BR>\n" );
document.write( "Fail to reject Ho, at the 1% level, there is no significant evidence to support the claim that the mean age is not 33. </SPAN>\n" );
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