document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=60607>Question 60607</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0023557222/algebrahomeworkh>introduction to mathmatical statistics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> please help me in this  <BR>\n" );
document.write( "  let x have the p.d.f   f(x)= (x+2)/18 , -2<x<4 , zero elsewhere <BR>\n" );
document.write( "find E[(x+2)^3], and E[6x-2(x+2)^3] </SPAN>\n" );
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