Z Is a Standard Normal Random Variable

question 66

Multiple Choice

z is a standard normal random variable.The P(-1.96 z 1.4) equals

• A) 0.9442.
• B) 0.0558.
• C) 0.8942.
• D) 0.1058.

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Definitions:

Pain Killer

Medication or drugs used to relieve pain, also known as analgesics.

Opiate

A type of narcotic derived from opium used for its pain-relieving properties; often refers to drugs that act on the opioid receptors.

Psychoactive Drug

A chemical substance that changes brain function and results in alterations in perception, mood, consciousness, cognition, or behavior.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that helps regulate neural activity.