document.write( "Question 1007621: The mathematics department of a college has 6 male professors, 11 female professors,10 male teaching assistants and 12 female teaching assistants . If a person is selected random from a group ,find the probability that the selected person is a professor or male. \n" ); document.write( "
Algebra.Com's Answer #623587 by Edwin McCravy(20054)\"\" \"About 
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document.write( "N(A OR B) = N(A) + N(B) - N(A AND B)\r\n" );
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document.write( "6 male professors, 11 female professors, 10 male teaching assistants \r\n" );
document.write( "and 12 female teaching assistants\r\n" );
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document.write( "N(professors) = 6+11 = 17\r\n" );
document.write( "N(males) = 6+10 = 16\r\n" );
document.write( "N(professor and male) = 6\r\n" );
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document.write( "N(professor OR male) = N(professors) + N(males) - N(professor AND male)\r\n" );
document.write( "N(professor OR male) = 17 + 16 - 6 = 27\r\n" );
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document.write( "N(people to choose from) = 6+11+10+12 = 39\r\n" );
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document.write( "The probability is 27 out of 39 = 27/39 which reduces to 9/13\r\n" );
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document.write( "Edwin
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