A Population Has a Mean of 53 and a Standard

question 4

Multiple Choice

A population has a mean of 53 and a standard deviation of 21. A sample of 49 observations will be taken. The probability that the sample mean will be greater than 57.95 is _____.

• A) 0
• B) .0495
• C) .4505
• D) None of the answers is correct.

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Definitions:

Income

Money received, especially on a regular basis, for work or through investments.

Social Mobility

The ability of individuals or families to move up or down the social hierarchy, which can be influenced by factors like education, income, and other socioeconomic determinants.

Stratification System

A framework that categorizes people within a society based on various factors such as social, economic, and institutional hierarchies.