A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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This problem involves the career plans of students in a biology class. Assume that the class consists of 30 percent freshmen, 40 percent sophomores, 20 percent juniors, and 10 percent seniors. Assume further that 50 percent of the freshmen, 45 percent of the sophomores, 25 percent of the juniors, and 25 percent of the seniors plan to go to medical school. One student is selected at random from the class.
(1) What is the
(2) If the student plans to go to medical school, what is the probability that he is a senior?
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