document.write( "Question 1207331: Motor Vehicle Accidents During a recent year, there were 15.4 million automobile accidents, 6.9 million truck accidents, and 171,000 motorcycle accidents. Find the following probabilities. Enter your answers as fractions or decimals rounded to decimal places.
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\n" ); document.write( "(a) If one accident is selected at random, find the probability that it is either a truck or motorcycle accident.\r
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\n" ); document.write( "(b) If one accident is selected at random, find the probability that it is not a truck accident.\r
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Algebra.Com's Answer #845149 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "Use the basic definition of probability and use a calculator to find the answers.
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document.write( "                            # of truck and motorcycle accidents     6.9 million + 171,000\r\n" );
document.write( "  P(truck or motorcycle) = ------------------------------------- = --------------------------------------\r\n" );
document.write( "                                  total # of accidents              15.4 million + 6.9 million + 171,000\r\n" );
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document.write( "                                                15.4 million + 171,000\r\n" );
document.write( "  P(not truck) = P(automobile or motorcycle) = --------------------------------------\r\n" );
document.write( "                                                15.4 million + 6.9 million + 171,000

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