The Half-Life of an Isotope Is One Day

question 46

Multiple Choice

The half-life of an isotope is one day.At the end of two days the amount that remains is

• A)none.
• B)one-half.
• C)one-quarter.
• D)one-eighth.
• E)none of these

---

Definitions:

Statistical Process Control

A methodology applied to monitor and control a process to ensure that it operates at its fullest potential, using statistical techniques.

Process Capability Index

A statistical measure of a process's ability to produce output within specified limits.

Specification Weight

A measure that indicates the importance or priority of a particular specification parameter in a product or process.

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean.