The Lengths of Human Pregnancies Are Normally Distributed with a Mean

question 108

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 lasts at least 300 days?

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

---

Definitions:

Entrepreneur

An individual who starts, organizes, manages, and assumes the risks of a business or enterprise, often innovating and creating new products, services, or business models.

Market Demand

The total quantity of a good or service that all consumers in a market are willing and able to buy at different price levels, over a specific time period.

Economic Resource

An asset used to produce goods and services that can provide economic benefit.

Money Balances

Refers to the amount of money held by an individual or entity in the form of cash or bank deposits.