A Company That Makes and Markets a Device That Is

question 124

True/False

A company that makes and markets a device that is aimed at helping people quit smoking claims that at least 70 percent of the people who have used the product have quit smoking. To test this, a random sample of n = 100 product users was selected. The critical value for the hypothesis test using a significance level of 0.05 would be approximately -1.645.

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Definitions:

Cyclohexane

A cycloalkane composed of six carbon atoms arranged in a ring, with molecular formula C6H12, used as a solvent and in the manufacture of nylon.

Cis-1-Ethyl-3-Methylcyclohexane

A specific isomer of a six-membered ring compound with ethyl and methyl substituents in a cis configuration.

Stable Conformation

The most energetically favorable arrangement of atoms in a molecule that minimizes strain.

Chair Conformations

A specific, stable three-dimensional shape adopted by cyclic molecules such as cyclohexane, minimizing steric strain and offering two alternating conformations.