A group of medical students volunteering at a maternity hospital in Florida are looking to determine the proportion of newborns born at a healthy weight. They conduct a study of 650 newborns and find that 392 were born at a healthy weight. What is the point estimate for the true proportion? [ Select ] What is Maximal Margin of Error (E) at 99% confidence? [ Select ] Construct a 99% confidence interval for the true proportion of interest. [ Select ]