document.write( "Question 1121218: A man goes to cinema L, M, N 20%, 50% 30% of the time, respectively. It is known that 5%, 4%, 8% of the seats in L,M, K cinema are faulty. What is the probability that the man goes to the cinema with a faulty seats?
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Algebra.Com's Answer #737008 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "The probability under the question is\r\n" );
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document.write( "    p = 0.2*0.05 + 0.5*0.04 + 0.3*0.08 = 0.054.\r\n" );
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