A Sample of Fire Debris Contains Small Drops of Visible

question 7

Multiple Choice

A sample of fire debris contains small drops of visible liquid residues along with the burned debris. If the liquid represents ILR, we expect this liquid to contain

• A) more of the lighter components than a fresh sample
• B) more of the heavier components than a fresh sample
• C) none of the oxygenated compounds that would be found in a fresh sample
• D) none of the aromatic compounds that would be found in a fresh sample
• E) none of the above

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Definitions:

Exponentially Distributed

A type of probability distribution that describes the time between events in a process where events occur continuously and independently at a constant average rate.

Random Variable

A variable, the value of which hinges on the happenings related to a chance occurrence.

Exponential Distribution

A probability distribution used to model the time between events in a Poisson process, characterized by its constant rate.

Parameter

A numerical characteristic of a population, such as its mean or standard deviation, that is usually unknown and estimated from sample data.