The Breaking Strength (In Pounds) of a Certain New Synthetic

question 303

Multiple Choice

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 160 pounds and a variance of 16. The material is considered defective if the breaking strength is less than 152 pounds. What is the probability that a randomly selected piece of material will be defective? Please round the answer to the nearest thousandth, if necessary.

• A) 0.023
• B) 0.159
• C) 0.977
• D) 0.999
• E) 0.001

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Definitions:

Equivalent Groups

In experimental research, two or more groups that are made to be as similar as possible through random assignment, ensuring that differences in the experiment's outcome can be attributed to the treatments received.

Duty of Care

A legal obligation to avoid causing harm to others through negligence or recklessness.

Limited Partner

A type of investor in a partnership who has limited liability, meaning they are not personally liable for the debts of the business beyond their investment in the partnership.

General Partner

An entity or individual responsible for the everyday operations of a partnership, fully liable for its obligations and debts.