A Population Has a Mean of 80 and a Standard

question 118

Multiple Choice

A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the sample mean will be larger than 82 is

• A)0.5228
• B)0.9772
• C)0.4772
• D)0.0228

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Definitions:

Working Memory

The segment of short-term memory tasked with the immediate conscious processing of perceptions and language.

Rehearsal

A cognitive process involving the repeated review or practice of information to aid in its retention and recall.

Spacing Effect

The tendency for distributed study or practice to yield better long-term retention than is achieved through massed study or practice.

Vocabulary Tests

Assessments designed to measure an individual's knowledge and comprehension of words and their meanings.