document.write( "Question 321004: The mathematics faculty at a college consists of 4 professors, 7 associate professors, 6 assistant professors,and 9 instructors. If one faculty member is randomly selected, find the probability of choosing a professor or an instructor.
\n" ); document.write( "The probability is:
\n" ); document.write( "(fraction/simplified answer)
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Algebra.Com's Answer #229879 by Fombitz(32388) $\"\"$ $\"About$

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4 P-professors,
\n" ); document.write( "7 A-associate professors
\n" ); document.write( "6 S-assistant professors
\n" ); document.write( "9 I-instructors
\n" ); document.write( "26 total
\n" ); document.write( "P(P)= $\"4%2F26\"$
\n" ); document.write( "P(I)= $\"9%2F26\"$
\n" ); document.write( "P(P or I)=P(P)+P(I)
\n" ); document.write( "P(P or I)= $\"%284%2B9%29%2F26=13%2F26=1%2F2\"$ \r
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