Car Sales The Joint Probability Distribution of Variables X and Y Is

question 77

Short Answer

Car Sales
The joint probability distribution of variables X and Y is shown in the table below.Rebecca and Rachel are car salespeople.Let X denote the number of cars that Rebecca will sell in a month,and let Y denote the number of cars Rachel will sell in a month. ​ ​
-{Car Sales Narrative} Calculate E(X + Y)directly by using the probability distribution of X + Y.

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Definitions:

Behavior Checklists

Behavior checklists are structured lists used for assessing the presence or absence of specific behaviors or symptoms.

Classifies Attributes

involves identifying and categorizing characteristics or qualities of individuals or objects based on specific criteria or standards.

Order Preferences

A term referring to the prioritization or arrangement of choices or interests according to a person's values, needs, or desires.

Observation

Observing behaviors of an individual to develop a deeper understanding of one or more specific behaviors (e.g., observing a student’s acting-out behavior in class or assessing a client’s ability to perform eye–hand coordination tasks to determine potential vocational placements). It includes time sampling, event sampling, and time and event sampling. It is a type of informal assessment.