Question

(1 point) This problem involves the career plans of students in a biology class. Assume that the class consists of 40 percent freshmen, 25 percent sophomores, 20 percent juniors, and 15 percent seniors. Assume further that 55 percent of the freshmen, 40 percent of the sophomores, 25 percent of the uniors, and 30 percent of the seniors plan to go to medical school. One student is selected at random from the class. (1) What is the probability that the student plans to go to medical school? (2) If the student plans to go to medical school, what is the probability that she is a junior?

Answer 1

otion doto: pCB) PCm] g) f卢ce) p@le) + pCb) Pin/P) prm): p(A) p Cm h) 0.29 t o. t 0.05 + 0.045

0415 P(m) 0.2 x 0.25 0 415 叫Aut.ナ.edated in Canada 0,40 .

42851