You Want to Determine the Lower Control Line for a P-Chart

question 12

Multiple Choice

You want to determine the lower control line for a p-chart for quality control purposes. You take several samples of a size of 50 items in your production process. From the samples, you determine the fraction defective is 0.006 and the standard deviation is 0.001. If the desired confidence level is 99.7 percent, which of the following is the resulting LCL value for the line?

• A) 0.0
• B) 0.002
• C) 0.003
• D) 0.004
• E) None of these choices are correct.

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Definitions:

Trade Openness

A measure of the extent to which a country allows free trade with other countries, including importing and exporting goods without tariff or non-tariff barriers.

Per Capita GDP

The average economic output per person, calculated by dividing the GDP of a country by its population.

Income Levels

The range of earnings of individuals or groups, reflecting economic status, which can influence buying power and standard of living.

Trade Restrictions

Measures such as tariffs, quotas, and embargoes that governments use to control the amount of trade across their borders.