Number of Motorcycles

question 160

Short Answer

Number of Motorcycles
The probability distribution of a discrete random variable X is shown below,where X represents the number of motorcycles owned by a family. ​ ​
-{Number of Motorcycles Narrative} Apply the laws of expected value to find the following:
a.E(X²)
b.E(2X² + 5)
c.E(X − 2)²

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Definitions:

Tertiary Reinforcement

A type of reinforcement that uses a stimulus indirectly linked to a primary or secondary reinforcer to modify behavior, such as money or tokens.

Conditional Reinforcement

The process by which stimuli that are associated with a primary reinforcer also become reinforcers themselves, often through classical conditioning.

Postreinforcement Pause

A pause in responding that commonly occurs after the delivery of a reinforcer under certain schedules of reinforcement, such as a fixed ratio schedule.

FR-5 Schedule

A fixed-ratio schedule of reinforcement where a response is rewarded only after five instances of the behavior.