Answer:
0.4625 or 46.25%
Step-by-step explanation:
The data for the percentage of contribution and the percentage of numbers from each suburb is presented in the table bellow:
The probability that she gets a donation is given by the sum of the probabilities of getting a donation from each suburb weighed by their respective percentage of numbers of the list:
The probability that she gets a donation is 0.4625 or 46.25%.