The Minimum Sample Size N Required to Estimate a Population

question 71

Multiple Choice

The minimum sample size n required to estimate a population proportion,with 95% confidence and the assumed most conservative = 0.5,was found to be 122.Which of the following is the approximate value of the assumed desired margin of error?

• A) D = 0.0055
• B) D = 0.0078
• C) D = 0.0745
• D) D = 0.0887

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Definitions:

Trimethylamine

A nitrogen-containing organic compound with the formula N(CH3)3, known for its strong fishy odor and used in various industrial applications.

Mass Spectrum

A graph or chart that shows the distribution of mass-to-charge ratios of ions in a sample, which is used for determining the composition of the sample.

Nitrogen

A chemical element with symbol N and atomic number 7, essential for all living organisms and a major component of amino acids, proteins, and nucleic acids.

Molecular Ion

An ion formed by the removal or addition of an electron to a molecule during mass spectrometry.