The Lengths of Human Pregnancies Are Normally Distributed with a Mean

question 31

Multiple Choice

The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy last at least 300 days?

• A) 0.0166
• B) 0.4834
• C) 0.0179
• D) 0.9834

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Definitions:

Narcissistic Personality Disorder

A mental disorder characterized by a long-term pattern of exaggerated self-importance, the need for admiration, and a lack of empathy for others.

Low Birth Weight

The condition of a newborn baby weighing less than 2,500 grams (5 pounds, 8 ounces) at birth, associated with increased risks of infant and childhood health problems.

Oxygen During Delivery

The provision of oxygen to ensure adequate respiration for both the mother and the baby during the process of childbirth.

Schizophrenia

A chronic psychological condition characterized by a disconnection among thinking, feeling, and behaving, resulting in incorrect perceptions and unsuitable behaviors or emotions.