document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200086>Question 1200086</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Five fair coins were tossed simultaneously. What is the probability of getting three heads and two tails?<BR>\n" );
document.write( "A. 1/32 <BR>\n" );
document.write( "B. 1/16<BR>\n" );
document.write( "C. 1/8<BR>\n" );
document.write( "D. 1/4 </SPAN>\n" );
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document.write( "Answer: <font color=red>A. 1/32</font>\r<BR>\n" );
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document.write( "Reason:<BR>\n" );
document.write( "I'm assuming the instructions \"What is the probability of getting three heads and two tails?\" refer to the exact order of 3 heads in a row, followed by 2 tails in a row.\r<BR>\n" );
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document.write( "Each side has probability 1/2<BR>\n" );
document.write( "The probability of 3 heads in a row is (1/2)^3 = 1/8<BR>\n" );
document.write( "The probability of 2 tails in a row is (1/2)^2 = 1/4<BR>\n" );
document.write( "Multiply those results: (1/8)*(1/4) = 1/32\r<BR>\n" );
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document.write( "Or you could do a shortcut to say (1/2)^5 = 1/32<BR>\n" );
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