Jessie owns a farm. on this farm she has 32 pigs, 28 cows, and 54 chickens. what is the ratio of chickens to the total number of animals on jessie's farm?

- 1/19
- 16/57
- 14/57
- 144/28

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.