The USNavy Is Highly Selective When It Comes to Applications for for Navy

question 148

Multiple Choice

The U.S.Navy is highly selective when it comes to applications for Navy Seal training.A distribution of test scores on a Navy Seal Qualifying and Screening Examination administered to a class of high school seniors would be expected to yield

• A) a normal distribution of test scores.
• B) a negatively skewed distribution of test scores.
• C) a positively skewed distribution of test scores.
• D) a trimodal distribution.

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Definitions:

Electrophilic Aromatic Substitution

A reaction where an aromatic ring undergoes substitution by an electrophile, retaining the aromaticity of the compound.

Nitration

A chemical reaction that introduces a nitro group (NO2) into an organic compound, usually involving the substitution of an H atom, often used to synthesize explosives or other nitro compounds.

Anisole

An organic compound consisting of a methoxybenzene group, used as a precursor in the synthesis of other chemicals.

Ortho

In chemistry, a designation used in nomenclature to indicate adjacent or 1,2- substitution in the structure of benzene ring compounds.