document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205431>Question 1205431</A>: <I><SPAN STYLE=\"word-break: break-all;\"> According to a recent survey, 50% of people have brown hair, 25% of people have blonde hair, 15% of people have black hair, and 10% of people have red hair. What is the probability of randomly selecting one person who either has blonde hair or black hair? </SPAN>\n" );
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document.write( "Answer: <font color=red>40%</font>\r<BR>\n" );
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document.write( "Reason: <BR>\n" );
document.write( "Let's say there are 100 people surveyed.<BR>\n" );
document.write( "50 have brown hair (since 50% of 100 is 50).<BR>\n" );
document.write( "25 have blonde hair<BR>\n" );
document.write( "15 have black hair<BR>\n" );
document.write( "10 have red hair<BR>\n" );
document.write( "Then 25+15 = 40 people have either blonde or black hair out of the 100 total. That's a 40/100 = <font color=red>40%</font> chance.<BR>\n" );
document.write( "The percentage 40% converts to the exact decimal form 0.40 or simply 0.4<BR>\n" );
document.write( "If you want to convert to a fraction, then 0.4 = 2/5<BR>\n" );
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