Some Dark Haired Pixies Are Elves That Play Tricks

question 351

Multiple Choice

Some dark haired pixies are elves that play tricks. Therefore, some elves that do not play tricks are light haired pixies.

• A) Invalid, illicit conversion.
• B) Invalid, illicit contraposition.
• C) Invalid, existential fallacy.
• D) Invalid, illicit subcontrary.
• E) Valid, no fallacy.

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Definitions:

Continuous Random Variable

A continuous random variable is a variable that can take an infinite number of values within a given range where each value is measurable.

Continuum

A continuous sequence or range of values where there is no clear division between one state and the next.

Standard Normal Random Variable

A normal distribution with a mean of zero and a standard deviation of one, used in statistical analysis.

P

In statistics, typically refers to the p-value, which measures the probability of observing a statistical summary as extreme as the one observed, under the null hypothesis.