A 95% Confidence Interval for a Population Mean Is Determined

question 102

Multiple Choice

A 95% confidence interval for a population mean is determined to be 100 to 120. If the confidence coefficient is reduced to .90, the interval for μ _____.

• A) becomes narrower
• B) becomes wider
• C) does not change
• D) becomes .1

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Definitions:

Warranty Liability

The legal obligation of a seller or manufacturer to repair, replace, or compensate for a defective product within a specified time period.

Negotiation

A process of discussion aimed at reaching an agreement between two or more parties.

Indorses

A variant spelling of "endorses," meaning to sign the back of a check or document, transferring rights or expressing approval.

Unauthorized Indorsement

A signature placed on a negotiable instrument (like a check) without proper authority or consent, often leading to questions of validity and fraud.