Random Variable | Overview, Types & Examples

Random Variables

Random Variable: Definition, Types, How It’s Used, and Example

Listed is a series of experiments and associated random variables. In each case, identify the values that the random variable can assume and state whether the random variable is discrete or continuous. Experiment a. Take a 20 -question examination b. Observe cars arriving at a tollbooth for 1 hour c. Audit 50 tax returns d. Observe an employee's work e. Weigh a shipment of goods Random Variable (x) Number of questions answered correctly Number of cars arriving at tollbooth Number of returns cont

Explain what are the types of random variable? - Business Mathematics and Statistics | Shaalaa.com

CONCEPT NOTE 2/LESSON 2: TYPES OF RANDOM VARIABLE TWO TYPES OF RANDOM VARIABLES • DISCRETE RANDOM VARIABLE- variable that can take on finite number of distinct values. Examples: 1. Number of heads obtained when tossing a coin thrice 2. The number of siblings a person has. 3. Number of student’s present in a classroom at a given time. • CONTINUOUS RANDOM VARIABLE- variable that can take an infinitely uncountable number of possible values, typically measurable quantities. Examples: 1. Time of pers