The Z Value Associated with a Two-Sided 95% Confidence Interval

question 91

Multiple Choice

The z value associated with a two-sided 95% confidence interval is _______.

• A)1.28
• B)1.645
• C)1.96
• D)2.575
• E)2.33

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Definitions:

Succinic Acid

A dicarboxylic acid with the molecular formula C4H6O4, used in the manufacture of dyes, perfumes, and pharmaceuticals.

Structure

The arrangement of atoms in a molecule or the manner in which atoms are bonded to form a molecule, which dictates the molecule’s properties and reactivity.

Organic Product

A molecule predominantly consisting of carbon and hydrogen that is the result of organic reactions.

Reaction

A method where one or more materials, known as reactants, undergo a transformation to produce one or more distinct materials, referred to as products.