Replacement Times for TV Sets Are Normally Distributed with a Mean

question 24

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 probability that a randomly selected TV will be replaced in less than 4.0 years is ______.

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Definitions:

Hard Skills

Technical skills or specific abilities that are learned through education or training and are necessary for job performance.

Social Graces

The skills used to interact politely in social situations, including manners, etiquette, and diplomacy.

Meeting Progressing

The advancement or development of a meeting towards its goals or objectives.

Monopolize Discussion

To dominate a conversation, leaving little room for others to contribute.