Concept explainers
Types of finance random variables. Security analysts are professionals who devote full-time efforts to evaluating the investment worth of a narrow list of stocks. The following variables are of interest to security analysts.
Which are discrete and which are continuous random variables?
- a. The closing price of a particular stock on the New York Stock Exchange
- b. The number of shares of a particular stock that are traded each business day
- c. The quarterly earnings of a particular firm
- d. The percentage change in earnings between last year and this year for a particular firm
- e. The number of new products introduced per year by a firm
- f. The time until a pharmaceutical company gains approval from the U.S. Food and Drug Administration to market a new drug
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