The Z Value for a 97

question 47

Multiple Choice

The z value for a 97.8% confidence interval estimation is

• A) 2.02.
• B) 1.96.
• C) 2.00.
• D) 2.29.

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Definitions:

Acetylene

A hydrocarbon and the simplest alkyne, with the formula C2H2, used as a fuel and a chemical building block.

Ethyne

A colorless hydrocarbon gas with the formula C2H2, known for its use in welding as acetylene.

Molecular Shape

The three-dimensional configuration of atoms within a molecule, determining many of the properties of the molecule, including reactivity and biological activity.

Phosphine

A toxic, flammable gas composed of phosphorus and hydrogen, used as an insecticide and in various industrial processes.