The Big Ben clocktower in London is approximately 316 feet tall. shana is standing nearby ad notices that she casts a 4 foot shadow. if shana is 5 feet tall find the length of big Ben's shadow

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.