A recent survey found that 73% of 1164 randomly selected frst-year college students returned to college the next year: Easimate the national lirst-year studnet refontlan rate. Compieste parts (a) through (d) IIII Cick on the icon to view a table of common critical values. a) Check that the assumptions and conditions are met for inference on proportions. Are the assumptions and condtions met? Yes No b) Construat a 993 confidence interval (Iype iriegers or decimats rounded to three decimal places as needed)..