document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205515>Question 1205515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the event of getting a head in 4tosses of a fair coin. Let X be the random variable representing the number of heads minus the number of tails. Create a Probability Distribution table for the random variable X.  </SPAN>\n" );
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document.write( "The statement of the problem is faulty.<br><BR>\n" );
document.write( "The event of getting a head in 4 tosses of a fair coin is a single event.  \"A head\" means there is one head, so there are 3 tails, and the number of heads minus the number of tails is 1-3 = -2.<br><BR>\n" );
document.write( "So the very uninteresting probability distribution is<br><BR>\n" );
document.write( "P(-2) = 1<br><BR>\n" );
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