Replacement Times for TV Sets Are Normally Distributed with a Mean

question 98

Short Answer

Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years, (based on data from "Getting Things Fixed," Consumer Reports).

-The replacement time that separated the top 20% from the bottom 80% is______ years.

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Definitions:

Internet Usage

The manner in which individuals or populations utilize online resources and services, including the scope, frequency, and purposes of use.

Effective Learners

are individuals who possess the ability to acquire new knowledge or skills efficiently and effectively.

Conditioning

A learning process in which an individual's behavior becomes associated with a particular stimulus or response.

Masked Behaviour

Actions or expressions that are deliberately designed to conceal one's true feelings, intentions, or identity.