A sample was taken of dogs at a local dog park on two random days. The counts are displayed in the table below. If there are estimated to be 50 dogs at the park at any given time, which proportion could be used to find the average number of shepherd mixes at the park at any given time?Dog Park SampleSample 1Sample 2Labrador Retriever4Labrador Retriever5Shepherd Mix7Shepherd Mix9Chihuahua3Chihuahua5Poodle1Poodle2Australian Cattle Dog2Australian Cattle Dog4