document.write( "Question 924024: Police plan to enforce speed limits by using radar \n" );
document.write( "traps at four different locations within the city limits. \n" );
document.write( "The radar traps at each of the locations L1, L2, L3, \n" );
document.write( "and L4 will be operated 40%, 30%, 20%, and 30% of the time. If a person who is speeding on her way to \n" );
document.write( "work has probabilities of 0.2, 0.1, 0.5, and 0.2, respectively, \n" );
document.write( "of passing through these locations, what is the \n" );
document.write( "probability that she will receive a speeding ticket? \n" );
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