Let the Random Variable X Represent the Number of Cars

question 38

Short Answer

Let the random variable x represent the number of cars owned by a family. Assume that x can take on five values: 0, 1, 2, 3, 4. A partial probability distribution is shown below:

a. Find the probability that a family owns three cars.
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b. Find the probability that a family owns between 1 and 3 cars, inclusive.
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c. Find the probability that a family owns no more than one car.
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d. What is the probability that a family owns more than two cars?
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e. What is the probability that a family owns at most 3 cars?
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Definitions:

Gestalt Psychologists

Psychologists who emphasize that the whole of anything is greater than its parts and are known for their work on perception and problem-solving.

Transactional Analysts

Professionals who study and apply the methods of transactional analysis, a therapeutic approach that examines interactions and communications between people to understand and improve human relationships.

Behaviorists

Psychologists who focus on observable behaviors and the ways in which certain behaviors are learned through interaction with the environment.

Psychoanalysts

Professionals who practice psychoanalysis, a therapeutic technique originally developed by Freud that aims to explore unconscious desires and conflicts.