document.write( "Question 1082267: If A and B as shown below are two mutually exclusive events, what P(A or B)?
\n" ); document.write( "P(A)= 1/4 P(B)= 1/5\r
\n" ); document.write( "\n" ); document.write( "A) 2/9
\n" ); document.write( "B) 3/20
\n" ); document.write( "C) 1/20
\n" ); document.write( "D) 9/20
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Algebra.Com's Answer #696314 by josmiceli(19441)\"\" \"About 
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To get OR, add the probabilities
\n" ); document.write( "\"+P%28A%29+%2B+P%28B%29++=+1%2F4+%2B+1%2F5+\"
\n" ); document.write( "\"+1%2F4+%2B+1%2F5+=+5%2F20+%2B+4%2F20+\"
\n" ); document.write( "\"+1%2F4+%2B+1%2F5+=+9%2F20+\"
\n" ); document.write( "Answer is (D)
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