document.write( "Question 768190: Find the indicated probability\r
\n" ); document.write( "\n" ); document.write( "If P(A or B) = 0.7, P(A) = 0.3, and P(A and B) = 0.15, find P(B)\r
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Algebra.Com's Answer #468132 by tommyt3rd(5050)\"\" \"About 
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P(A or B) = P(A) + P(B) - P(A and B)\r
\n" ); document.write( "\n" ); document.write( "P(B) = P(A and B)+ P(A or B)-P(A)=\r
\n" ); document.write( "\n" ); document.write( "0.15 + 0.70 - 0.3 =\r
\n" ); document.write( "\n" ); document.write( "0.55\r
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