document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=879698>Question 879698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a die is tossed 120 times if number of 3 appears is recorded what is the mean and variance and standard deviation of the experiment </SPAN>\n" );
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document.write( "p(3) = 1/6<BR>\n" );
document.write( "mean: 1/6(120) = 20 <BR>\n" );
document.write( "variance 20(5/6) = 100/6<BR>\n" );
document.write( "standard deviation of the experiment: sqrt(100/6) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );