Cesium-131 Has a Half-Life of 9

question 95

Multiple Choice

Cesium-131 has a half-life of 9.7 days.What percent of a cesium-131 sample remains after 60 days?

• A)100
• B)0
• C)1.4
• D)98.6
• E)more information is needed to solve the problem

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Definitions:

Population Standard Deviation

Population standard deviation is a measure of the spread or dispersion of a set of data points in a whole population.

Set of Data

A collection of data points or values that have been gathered to provide information for analysis, often organized in a structured manner such as a list, table, or database.

Population Standard Deviation

Represents the degree to which individual data points in a full set deviate from the population mean, giving insight into the variability within the entire group.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values, indicating how spread out the data points are from the mean.