SOLUTION: 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

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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?

Answer by ikleyn(52834)   (Show Source): You can put this solution on YOUR website!
.
The probability under the question is


    p = 0.2*0.05 + 0.5*0.04 + 0.3*0.08 = 0.054.


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