document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168603>Question 1168603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Researchers had access to population data about the number of prior arrests for offenders facing prison time in Nevada. Those data included the following: mean number of prior arrests = 4, and standard deviation = 1.5.<BR>\n" );
document.write( "A group of researchers in California wanted to examine whether or not our<BR>\n" );
document.write( "offenders are similar to or different than Nevada’s prisoners. However, the<BR>\n" );
document.write( "researchers were only able to get access to a sample of offenders facing prison time. The sample information included the following: mean number of prior arrests = 6, and sample size = 225.<BR>\n" );
document.write( "The researchers in California decided to conduct a Z-test for One Sample Mean to examine potential differences in prior arrests between the two states.<BR>\n" );
document.write( "9. The value of the observed z-statistic for the hypothesis test equals…<BR>\n" );
document.write( "a. … 1.18.<BR>\n" );
document.write( "b. … 2.00.<BR>\n" );
document.write( "c. … -1.18.<BR>\n" );
document.write( "d. … -2.00.<BR>\n" );
document.write( "e. … 20.00.\r<BR>\n" );
document.write( "\n" );
document.write( "I got E am I correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793354 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=793354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x bar-mean)/sigma/sqrt(n)<BR>\n" );
document.write( "=2*15/1.5=20. You are correct. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );