Replacement Times for TV Sets Are Normally Distributed with a Mean

question 105

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).

-One classic use of the normal distribution is inspired by a letter to Dear Abbey in which a wife claimed to have given birth 308 days after a brief visit from her husband, who was serving in the Navy. The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. Given this information, the probability of a pregnancy lasting 308 days or longer is _____. The result suggests that the husband ( (is/is not) ) the father of the child.

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Definitions:

Conduct Over Time

Refers to the patterns or manners of behavior that an individual or organization demonstrates consistently over a period.

Core Values

Fundamental beliefs or guiding principles that dictate behavior and action within an organization.

Cultural Ethos

The characteristic spirit, moral values, and customs of a community or society.

Moral and Ethical Codes

Principles and standards of behavior that guide individuals and organizations in making decisions that are considered right and good.