Suppose That Past History Shows That 60% of University Students

question 15

Short Answer

Suppose that past history shows that 60% of university students prefer Brand C cola.A sample of five students is to be selected.
-The variance of the number that prefers Brand C is ______.

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Definitions:

Depression

A psychological disorder characterized by persistent sadness, loss of interest in activities, and a range of emotional and physical problems.

Mania

A mental health condition characterized by periods of great excitement, euphoria, delusions, and overactivity.

Pessimistic Explanatory

A cognitive style where individuals tend to attribute negative events to stable, internal, and global causes, expecting future failures.

Global

Relating to or encompassing the whole world; worldwide in scope or application.