Based on the 95% Confidence Interval, Should the Quality Control

question 31

Multiple Choice

Based on the 95% confidence interval, should the Quality Control Department conclude that the percentage of rework for the electrical components is lower than the rate of 12% for non-electrical components?

• A) Yes, because the lower limit of the confidence interval is 7.4%.
• B) Yes, because 12% is contained with the 95% confidence interval.
• C) No, because 12% is contained with the 95% confidence interval.
• D) No, because the upper limit of the confidence interval is 13.0%.
• E) We cannot say since the sample size is not large enough.

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Definitions:

Drive-Reduction

A motivational concept suggesting that humans act to alleviate physical or psychological needs, aiming at maintaining homeostasis.

Safety

The state of being safeguarded against or not prone to causing harm, peril, or damage.

Esteem

A regard for oneself with respect or admiration, often seen as a component of self-worth or self-respect.

Belongingness And Love

A fundamental human need to be an accepted member of a group and to form meaningful attachments with others.