document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970834>Question 970834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> : One study on managers’ satisfaction with management tools reveals that 59% of all managers use self-directed work teams as a management tool. Suppose 70 managers selected randomly in the United States are interviewed. What is the probability that fewer than 35 use self-directed work teams as a management tool? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #593528 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=593528\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One sample proportion.\r<BR>\n" );
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document.write( "Fewer than 35 is fewer than 0.50\r<BR>\n" );
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document.write( "z= 0.50-0.59/sqrt [(.59)(.41)/70]     ;;   It is p of sample - p comparing with in numerator.<BR>\n" );
document.write( "In denominator, it is sqrt p(1-p)/n, where the p's are the second, not the sample, and n=sample size.\r<BR>\n" );
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document.write( "z= -0.09/0.0588\r<BR>\n" );
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document.write( "z < -1.531\r<BR>\n" );
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document.write( "p=0.06  (0.0629)<BR>\n" );
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