Which expression should you simplify to find the 90% confidence interval, given a sample of 80 people with a sample proportion of 0.75?

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

If the measure of xyz is 81 what is the measure of yz

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.