It Is Known That the Population Variance Equals 529

question 34

Multiple Choice

It is known that the population variance equals 529. With a .95 probability, the sample size that needs to be taken if the desired margin of error is 4 or less is

• A) 508.
• B) 127.
• C) 509.
• D) 128.

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Definitions:

Working Memory

A cognitive system responsible for temporarily holding information available for processing, important for reasoning and the guidance of decision-making and behavior.

Phonological Loop

A component of working memory model that is responsible for the temporary storage and manipulation of verbal and auditory information.

Rehearsal

A cognitive process of repetitively practicing or reviewing information to transfer it into long-term memory.

Short-Term Memory

A type of memory that holds a small amount of information for a brief period, typically around 20 seconds.