Question#l (15 points), (Estimating Population Proportion) Of 380 randomly selected medical students, 21 said that they planned to work in rural community. Use a 96% condence level, to estimate the true proportion of all medical students who plan to work in a rural community. a) Find the critical values (show your graph, 2 dec. pl) b) Find margin of error (show your calculation, 5 dec. pl) e) Construct condence interval for the true proportion of all medical students who plan to work in a rural community. (3 dec. pl)