document.write( "Question 1148073: If P(A)=0.7,P(B)=0.1, and A and B are mutually exclusive, find P(A or B). \r
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Algebra.Com's Answer #769434 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "If  A and B are mutually exclusive, it means that the events A and B are DISJOINT,  i.e.  CAN  NOT  occur simultaneously. \r\n" );
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document.write( "Hence,\r\n" );
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document.write( "    P(A or B) = P(A) + P(B) = 0.7 + 0.1 = 0.8.\r\n" );
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