document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174703>Question 1174703</A>: <I><SPAN STYLE=\"word-break: break-all;\"> State and prove that two events A and B will both occur is equal to the probability that one of the events will occur multiplied by the conditional probability that the other event will occur given that the first event has occurred.<BR>\n" );
document.write( "Q.No.3. Given the following set of values. Determine the equation of regression line Y on X. <BR>\n" );
document.write( "X	0	5	10	15	20	25<BR>\n" );
document.write( "Y	12	15	17	22	24	30<BR>\n" );
document.write( "(i)	Find the estimated value of Y when X = 22.<BR>\n" );
document.write( "(ii)	 Find the standard deviation of least square regression line.<BR>\n" );
document.write( "(iii)	Calculate the correlation between the variable X and Y.  		<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 #800162 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52782)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=800162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "The first statement is immediate consequence of the notion/conception of the &nbsp;CONDITIONAL &nbsp;probability.\r<BR>\n" );
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document.write( "So, &nbsp;if you know that definition of this basic conception, &nbsp;the proof &nbsp;(in one line) &nbsp;must be clear to you.\r<BR>\n" );
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document.write( "If, &nbsp;in opposite, &nbsp;you don't know the definition of this basic conception, &nbsp;then &nbsp;LEARN &nbsp;it <BR>\n" );
document.write( "from any textbook or from any &nbsp;Internet source.\r<BR>\n" );
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document.write( "For example, from these my two lessons, &nbsp;referred below.\r<BR>\n" );
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document.write( "On conditional probability, &nbsp;see the lessons\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/Conditional-probability-problems.lesson>Conditional probability problems</A> \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Probability-and-statistics/More-conditional-probability-problems.lesson>Conditional probability problems REVISITED</A> \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Read them to develop your skills and knowledge.\r<BR>\n" );
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document.write( "<H3>One and ONLY ONE problem/question per post.</H3>\r<BR>\n" );
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document.write( "https://www.algebra.com/tutors/students/ask.mpl?action=ask_question&topic=Equations&return_url=http://www.algebra.com/algebra/homework/equations/\r<BR>\n" );
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document.write( "from which you post your problems.\r<BR>\n" );
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document.write( "It is also assumed that you do understand what is written in that page and follow the rules.\r<BR>\n" );
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