Suppose a Random Sample of 25 Students Is Selected from a Community

question 103

Short Answer

Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12.
What is the mean of the sampling distribution of the sample mean ?
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What is the standard deviation?
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Find the probability that exceeds 116.
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Find the probability that the sample mean deviates from the population mean = 112 by no more than 4.
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Identify the incentives for legislators to support pork-barrel projects in their districts.

Understand the principles of public choice theory and how it applies to the political process and government decision-making.

Recognize the impact of government activities and projects on economic efficiency and social welfare.

Analyze the relationship between the distribution of costs and benefits of public projects and their acceptance or rejection by voters.

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Definitions:

Interaction

The process by which two or more entities (people, organizations, or substances) influence or have an effect on each other.

Paid Leave

Time off from work, provided by an employer, during which an employee is compensated. Common forms include vacation, sickness, and parental leave.

Child-Care Centers

Facilities that provide care and supervision for children while their parents are at work or occupied, which may also offer educational and developmental activities.

Sweden

A country in Northern Europe known for its comprehensive welfare system, high standard of living, and historical contributions to science, literature, and music.