At α = 10,testing the Hypothesis That the Proportion of Consumer Industry Companies

question 96

Essay

At α = .10,testing the hypothesis that the proportion of consumer industry companies' (CON)winter-quarter profit growth is more than 2 percent greater than the proportion of banking companies' (BKG)winter-quarter profit growth,given that $\hat { p }_{ C O N }= .20$
$\hat { p } _{B K G} = .14$
n_CON = 300,and n_BKG = 400,can we reject the null hypothesis?

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Definitions:

Hydraulic Brake System

A system in vehicles that uses fluid pressure to operate the brakes.

Rear Wheel Lock-up

A condition in braking where the rear wheels of a vehicle stop rotating and skid, often due to excessive brake force or poor road conditions.

Master Cylinder Bore

The internal diameter of the master cylinder in a vehicle's brake system, which affects the hydraulic pressure and, ultimately, the braking force.

Crocus Cloth

A very fine, abrasive cloth used for polishing metal surfaces, often utilized in metalworking and finishing applications.