Points: 5.83 of 35 Save A recent survey found that 70% of 1073 randomly selected first-year college students returned to college the next year. Estimate the national first-year student retention rate. Complete parts (a) through (d). Click 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 conditions met? Yes No b) Construct a 95% confidence interval (Type integers or decimals rounded to three decimal places as needed.)