document.write( "Question 408046: If P(A or B) = 0.8, P(A) = 0.8 and P(B) = 0.5, determine P(A and B).
\n" ); document.write( " (Points : 3)
\n" ); document.write( " 0.35
\n" ); document.write( " 0.50
\n" ); document.write( " 0.64
\n" ); document.write( " 0.13
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #287553 by robertb(5830) $\"\"$ $\"About$

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P(A and B) = P(A) + P(B) - P(A U B) = 0.8 + 0.5 - .8 = 0.5 \n" ); document.write( "

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