document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664428>Question 664428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 17.	If events A and B are complementary events, each with non-zero probability, then\r<BR>\n" );
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document.write( "			a.     and  are mutually exclusive<BR>\n" );
document.write( "			b.   A and B  are independent<BR>\n" );
document.write( "			c.    both (a) and (b)<BR>\n" );
document.write( "			d.    neither (a) nor (b)\r<BR>\n" );
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document.write( "18. 	If A and B are independent events then\r<BR>\n" );
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document.write( "		a.   <BR>\n" );
document.write( "		b.   <BR>\n" );
document.write( "		c.  both (a) and (b)<BR>\n" );
document.write( "		d.  neither (a) nor (b)\r<BR>\n" );
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document.write( "19.	In selecting a sample from a population for the purpose of making an inference from the sample about the population, it is important\r<BR>\n" );
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document.write( "		a.  that the sample be chosen randomly<BR>\n" );
document.write( "		b.  that the sample have a minimum size of n = 30<BR>\n" );
document.write( "		c.  both (a) and (b)<BR>\n" );
document.write( "		d.  neither (a) nor (b)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413329 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=413329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Only post *one* problem at a time please.\r<BR>\n" );
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document.write( "17. If events A and B are complementary events, each with non-zero probability, then<BR>\n" );
document.write( "<font color=\"red\">a. and are mutually exclusive</font><BR>\n" );
document.write( "b. A and B are independent<BR>\n" );
document.write( "c. both (a) and (b)<BR>\n" );
document.write( "d. neither (a) nor (b) \r<BR>\n" );
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document.write( "This is because if A and B are complementary, then P(A) + P(B) = 1, which implies they are mutually exclusive. </SPAN>\n" );
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