A Population Has a Mean Age of 45 Years with a Standard

question 16

Essay

A population has a mean age of 45 years with a standard deviation of 3 years. If a random sample of 64 is drawn from this population, what is the probability that the sample mean is greater than 45.3 years?

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Definitions:

Psychological Theories

Conceptual frameworks for understanding human thoughts, behaviors, emotions, and how they are developed and influenced by various factors.

Obsessions

Persistent, intrusive, and unwanted thoughts that cause distress or anxiety.

Compulsions

Repetitive behaviors or mental acts that an individual feels driven to perform in response to an obsession, or according to rules that must be applied rigidly.

Obsessive-Compulsive Disorder

A mental disorder where individuals experience recurring, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) as a way to manage anxiety.