The Intelligence Quotient (IQ)test Scores for Adults Are Normally Distributed

question 37

Multiple Choice

The Intelligence Quotient (IQ) test scores for adults are normally distributed with a population mean of 100 and a population standard deviation of 15. What is the probability we could select a sample of 50 adults and find the mean of this sample is between 95 and 105?

• A)0.0182
• B)0.9818
• C)1.00
• D)Very unlikely

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Definitions:

Natural Mimicry

The replication or imitation of one species by another, often for survival benefits such as predator avoidance.

Facial Feedback Effect

The hypothesis that one's facial movements can affect their emotional state, implying that smiling can make one feel happier.

Empathy

The ability to understand and share the feelings of another person, essentially putting oneself in another's shoes emotionally.

Vocal Nuances

Subtle variations in voice tone, pitch, and speed that can convey different meanings or emotions in communication.