Given an Infinite Population with a Mean of 75 and a Standard

question 80

Multiple Choice

Given an infinite population with a mean of 75 and a standard deviation of 12,the probability that the mean of a sample of 36 observations,taken at random from this population,is less than 78 is:

• A)0.9332
• B)0.5987
• C)1.5000
• D)None of these choices.

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Definitions:

Simple Random Sample

A subset of a statistical population in which each member has an equal probability of being chosen, ensuring a representative sample.

Videocassette Recorders

A device used for recording and playing back video content on magnetic tape cassettes.

Nonresponse Error

A bias in survey results that happens when the answers of respondents differ from the potential answers of those who did not answer.

Responses

The answers or reactions provided by subjects in a research study or survey.