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

Algebra ->  Probability-and-statistics -> 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      Log On


   



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(52824) About Me  (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.