A Population Has a Mean of 300 and a Standard

question 9

Multiple Choice

A population has a mean of 300 and a standard deviation of 12. A sample of 64 observations will be taken. The probability that the sample mean will be between 295 to 305 is

• A) 0.0009.
• B) 0.9991.
• C) 0.3231.
• D) 0.6769.

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Definitions:

First Law

Often refers to the law of thermodynamics stating that energy cannot be created or destroyed, only transformed or transferred from one form to another.

Thermodynamics

The branch of physics that deals with the relationships between heat, work, temperature, and energy in various systems.

Sustainably

Utilizing natural resources in a way that maintains their availability for the present and future generations while minimizing environmental impact.

Radioisotope

A radioactive isotope of an element, used in various fields such as medicine for diagnostics and treatment, in research, and in industry.