can someone check the answer for me and fix it?

Problem 4: There are four stores in an area, with characteristics as follows: If lambda () is assumed to be 3 , what are: a) the attractions for the four stores? b) the probabilities that a customer in the area will visit each of the four stores? A) Total attraction from the pulling power is 96450 . The individual attraction is (R,S,T,U)=(50875, 5175,31400,9000 ). B) The probabilities that a customer in the area will visit each of the stores are: (R,S,T,U)=(0.527, 0.053,0.325,0.093)