A Random Variable X Is Best Described by a Continuous

question 67

Multiple Choice

A random variable X is best described by a continuous uniform distribution from 20 to 45 inclusive. The standard deviation of this distribution is approximately:

• A)52.1.
• B)32.5.
• C)6.85.
• D)7.22.

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Definitions:

Behavior

The actions, reactions, or functioning of an organism, typically in response to its environment or stimuli.

Salivate

The secretion of saliva from the salivary glands in the mouth, often triggered by the sight, smell, or thought of food.

Phone Ringing

The sound made by a telephone to alert the recipient of an incoming call.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, emphasizing the influence of consequences on behavior.