A Process Control Engineer Wishes to Estimate the True Proportion

question 69

Short Answer

A process control engineer wishes to estimate the true proportion of defective computer chips with a margin of error of no more than 0.09 and with probability 0.90. How many observations does the engineer need to include in the sample to achieve his goal?
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Definitions:

Sleeper Effect

A delayed impact of a message that occurs when an initially discounted message becomes effective, as we forget its source or its context.

Trustworthy

describes a person or entity that can be relied on as honest or truthful.

One-sided Messages

Persuasive messages that present only one perspective or aspect of an argument, often used when the audience is already in agreement or unaware of opposing viewpoints.

Less-educated People

Individuals who have received minimal formal education or possess lower educational qualifications.