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:

Fat Intake

The amount of fat consumed in one's diet, important for nutritional balance and health.

Resting Energy Expenditure (REE)

The amount of energy, measured in calories, that a person expends while at rest, essential for understanding metabolic health and nutritional needs.

Basal Metabolic Rate (BMR)

Amount of energy used in a unit of time by a fasting, resting subject to maintain vital functions.

Nutrient Density

A measure of the amount of nutrients a food contains in comparison to the number of calories. Foods high in nutrient density provide a large amount of nutrients for a small amount of calories.