The Australian Sheep Dog Is a Breed Renowned for Its

question 38

Multiple Choice

The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated that 40% of adult Australian sheep dogs weigh 65 pounds or more. A sample
Of 18 adult dogs is studied. What is the probability that no more than 3 of them weigh 65
Lb or more?

• A) 0.9918
• B) 0.0082
• C) 0.9672
• D) 0.0328

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Definitions:

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Interrater Reliability

A measure of how consistently different observers or raters assess, score, or judge a particular trait, behavior, or outcome.

Placebo

A harmless pill, medicine, or procedure prescribed more for the psychological benefit to the patient than for any physiological effect.

Psychological Disorders

Mental disorders characterized by significant disturbances in an individual's thoughts, emotions, or behavior.