Conditional Probability and Medical Tests: An Exercise in Conditional Probability

The intuitive appeal of the definition is demonstrated routinely by means of simple examples involving card drawing, dice, and chips in the bowln problems.. These problems are easy to visualize and they do give the student practice in dealing with the definition. However, many students quite rightly ask I do not intend to make a career of drawing chips from a bowl; can this definition be used to solve a practical problem? The answer to this question is yes as can be demonstrated easily.