document.write( "Question 1095452: If(P(A)=0.022, P(B)=0.068 and P(A or B)= 0.248 then if follows that? \n" ); document.write( "

Algebra.Com's Answer #709985 by Edwin McCravy(20081) $\"\"$ $\"About$

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document.write( "If(P(A)=0.022, P(B)=0.068 and P(A or B)= 0.248 then if follows that\r\n" );
document.write( "this is impossible.\r\n" );
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document.write( "  P(A or B) =  P(A) +  P(B) - P(A and B)\r\n" );
document.write( "    0.248   = 0.022 + 0.068 - P(A and B)\r\n" );
document.write( "    0.248   =      0.090    - P(A and B)\r\n" );
document.write( " P(A and B) = -0.158, but no probability is ever negative.\r\n" );
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document.write( "Edwin

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