For a Normal Distribution,what Is the Likelihood (Expressed as a Percentage)that

question 5

Multiple Choice

For a normal distribution,what is the likelihood (expressed as a percentage) that a random variable is within plus and minus two standard deviations of the mean?

• A)68.26%
• B)99.74%
• C)34.13%
• D)95.44%

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Definitions:

Short-Term Store

A temporary storage facility where information is modified to create a more meaningful experience.

Spreading Activation

A theory in cognitive science suggesting that thoughts and ideas in memory are connected; activation of one concept triggers nearby or related concepts.

Visuospatial Sketchpad

A rehearsal system that holds and analyzes visual and spatial information.

Phonological Loop

A component of working memory model that deals with auditory information, holding and rehearsing speech-based information.