Use the Normal Model to Approximate the Binomial

question 5

Multiple Choice

Use the Normal model to approximate the Binomial.
-According to the Census Bureau, 68% of Americans owned their own home in 2003.
A local real estate office wants to see if this is the case for its area. The office selects a
Random sample of 200 people to estimate the percentage who own their own homes.
What is the probability that at least 140 people own their own home?

• A) 0.7291
• B) 0.2709
• C) 0.4598
• D) 0.5402
• E) 0.1299

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Definitions:

Ethical

Relating to moral principles or the branch of knowledge concerned with right and wrong behavior, often guiding professional conduct.

Criticize

To express disapproval or find fault with something or someone, often by evaluating merits and shortcomings.

NASW Code of Ethics

A set of guiding principles and standards established by the National Association of Social Workers to guide social workers' conduct and ensure ethical and professional behavior.

Professional Responsibility

The duty to act in a morally correct, ethical, and professional manner while upholding the standards of one's profession.