The Half-Life of a Certain Radioactive Isotope Is 6 H

question 21

Multiple Choice

The half-life of a certain radioactive isotope is 6 h.If we start out with 10 g of the isotope, after 1 day there will be

• A)none left.
• B)0.625 g left.
• C)1.6 g left.
• D)2.5 g left.

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Definitions:

Class

In statistics, a category into which data are grouped for frequency distribution, or in object-oriented programming, a blueprint for creating objects with specific attributes and methods.

Observations

The act of noting and recording something with instruments or senses to gather information.

Relative Frequencies

The ratio of the number of times a particular value occurs to the total number of observations.

Distribution

Distribution in statistics refers to the way in which values of a variable or observations are spread out or scattered across a range, showing the frequency of each value.