document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1086669>Question 1086669</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average greyhound can reach a top speed of 18.5 meters per second. A particular greyhound breeder claims her dogs are faster than the average greyhound. A sample of 40 of her dogs ran, on average, 19.2 meters per second with a population standard deviation of 1.2 meters per second. With &#945; = 0.05, is her claim correct?\r<BR>\n" );
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document.write( "a. Yes, because the test value 0.09 falls in the noncritical region.<BR>\n" );
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document.write( "b. No, because the test value 0.09 falls in the critical region.<BR>\n" );
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document.write( "c. Yes, because the test value 3.69 falls in the critical region.<BR>\n" );
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document.write( "d. No, because the test value 0.70 falls in the critical region. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #700902 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=700902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average greyhound can reach a top speed of 18.5 meters per second. A particular greyhound breeder claims her dogs are faster than the average greyhound. A sample of 40 of her dogs ran, on average, 19.2 meters per second with a population standard deviation of 1.2 meters per second. With &#945; = 0.05, is her claim correct?<BR>\n" );
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document.write( "Ho: u <= 18.5<BR>\n" );
document.write( "Ha: u > 18.5 (claim)<BR>\n" );
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document.write( "Critical region:: z >= 1.96<BR>\n" );
document.write( "x-bar = 19.2<BR>\n" );
document.write( "z(19.2) = (19.2-18.5)/(1.2/sqrt(40)) = 3.689<BR>\n" );
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document.write( "Conclusion:: Reject Ho because the test statistic is in the<BR>\n" );
document.write( "reject region.<BR>\n" );
document.write( "Therefore, accept Ha which states the claim.<BR>\n" );
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document.write( "Answer::<BR>\n" );
document.write( "c. Yes, because the test value 3.69 falls in the critical region.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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