document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=730266>Question 730266</A>: <I><SPAN STYLE=\"word-break: break-all;\"> let x be the life of a light bulb in hours with the following probabilities:<BR>\n" );
document.write( "p(x<=2000)=0.10<BR>\n" );
document.write( "p(x>6000)=0.6<BR>\n" );
document.write( "what is the probability of the life of the bulb if p(2000<x<=6000)?<BR>\n" );
document.write( "what is the probability of the life of the bulb is >800? </SPAN>\n" );
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