What Is One of the Advantages of a Fuel Cell

question 41

Multiple Choice

What is one of the advantages of a fuel cell?

• A)They can run for a very long time as long as you keep adding fuel.
• B)They are more efficient than combustion.
• C)They have lower emission of pollutants than combustion.
• D)all of the above
• E)only A and B

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Definitions:

Chi-Square Distribution

A statistical distribution used in hypothesis testing that is based on the sum of squares of standardized random variables.

Degrees of Freedom

A concept in statistical calculations used to adjust for the number of variables, indicating the amount of independent information available to estimate another parameter.

Goodness-of-Fit Test

A statistical test used to determine if a set of observed data matches the expected distribution.

Probability Distribution

A mathematical function that provides the probabilities of occurrence of different possible outcomes for an experiment.