Kate went to the store and bought muffins 1. There are 19 total muffins
2. The total cost of the muffins is $5.10.
3. Chocolate muffins cost $0.25 each
4. Blueberry muffins cost $0.30 each.
How many chocolate muffins did Kate
buy?

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.