A certain place in afflicted with renovation noise upatairs. On an ordinary day, within at bout, the audden horrible sound follows a Poison distribution with parameter X-3, the loudneis of each (in decibel) follow an exponential distribution with j 0.01. It is conmidered "intolerable if there is at least one loud noine exceeding 80dB in that hour. What is the probability of this
happeninx?