A Trucking Firm Suspects That the Mean Life of a Certain

question 66

Essay

A trucking firm suspects that the mean life of a certain tire it uses is less than 35,000 miles. To check the claim,
the firm randomly selects and tests 18 of these tires and gets a mean lifetime of 34,350 miles with a standard
deviation of 1200 miles. At α $\alpha$ = 0.05, test the trucking firmʹs claim.

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Definitions:

Integer Linear Optimization Models

Mathematical models used in operations research that seek to maximize or minimize a linear objective function subject to a set of linear constraints and integer variables.

Nonlinear Optimization Models

Mathematical models dealing with optimization problems where the objective function or any of the constraints are nonlinear.

Integer

A whole number, positive, negative, or zero, without fractions or decimals.

16-Inch Rolls

A term likely referring to a specific size of roll or a type of product, but without a standard context, an exact definition cannot be provided. NO.