A Manufacturer Advertised That the Time It Takes a Person

question 106

True/False

A manufacturer advertised that the time it takes a person to assemble a bookcase has been shown to be normally distributed with a mean equal to 125 minutes with a standard deviation equal to 20 minutes. Given this information, the probability that it will take a randomly selected person more than 105 minutes is about 0.1587.

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Definitions:

Electrical Circuits

Pathways that allow electric current to flow and operate devices or machinery.

Series Circuit

An electrical circuit that has only one path for current flow.

Amps Flow

The rate of electrical current measured in amperes (A) flowing through a conductor or circuit.

Cathode

The electrode through which electrons leave an electrical device or where reduction reactions occur in an electrolytic cell.