Suppose a Population Has a Mean of 400 and a Standard

question 47

Multiple Choice

Suppose a population has a mean of 400 and a standard deviation of 24.If a random sample of size 144 is drawn from the population,the probability of drawing a sample with a mean less than 402 is _______.

• A) 0.3413
• B) 0.6826
• C) 0.8413
• D) 0.1587
• E) 0.9875

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Definitions:

Basic Aspects

The fundamental elements or characteristics that constitute a concept, object, or phenomenon.

Sensory Impressions

Immediate experiences or perceptions derived from stimuli through the senses.

Ego

Refers to the component of the mind in psychoanalytic theory, mediating between the conscious and unconscious and responsible for reality testing and personal identity.

Secondary Traits

Personality characteristics that are less consistent and more situation-specific than primary traits, often only appearing under certain circumstances.