document.write( "Question 701033: an \"unusual\" number cube has five sides, numbered 1 through 5. this number cube will be rolled twice. assuming that each of the five numbers has the same likelihood of appearing, what is the probability that at least one of the following events will occur. \n" );
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document.write( "event 1: the number 3 will appear on the first roll \n" );
document.write( "event 2: an even number will appear on the second roll \n" );
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