In a Manufacturing Process a Random Sample of 36 Bolts

question 129

Multiple Choice

In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3cm with a standard deviation of 0.3cm.Assuming bolt length is normally distributed,what is the 99% confidence interval for the true mean length of the bolt?

• A)2.902 to 3.098
• B)2.884 to 3.117
• C)2.864 to 3.136
• D)2.228 to 3.772
• E)2.902 to 3.772

Understand the impact of societal and demographic changes on family structures and dynamics.

Appreciate the complexity and variability of family compositions and headship across different communities, with a particular focus on gender.

Analyze the reasons behind changes in marriage, divorce, and cohabitation rates in contemporary society.

Examine the role of social theories, including social exchange theory, family life course development theory, functionalist perspective, and conflict perspective, in understanding family dynamics.

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Definitions:

Tax

A compulsory financial charge or some other type of levy imposed upon a taxpayer by a governmental organization in order to fund government spending and various public expenditures.

Marginal Benefit

The extra utility or satisfaction gained from the utilization or creation of one more unit of a product or service.

Marginal Cost

The increase in total cost that arises from producing one additional unit of a product or service, reflecting changes in variable costs.

Quintiles

A statistical value that divides a data set into five equal parts, often used in economic and social research to assess income distribution or other measurements.