A Random Sample of Size N Has Been Selected from a Normally

question 33

Multiple Choice

A random sample of size n has been selected from a normally distributed population. In hypothesis testing for the population mean, when should the t test be used instead of the z test?

• A) when n < 30 andis unknown
• B) when n > 30 andis unknown
• C) when n < 30 andis known
• D) both a and c

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Definitions:

Intermittent Strike

A form of industrial action where employees strike for short periods of time, unpredictably, making it harder for employers to prepare alternative strategies.

Mediators

Neutral third parties who facilitate negotiations or conflict resolution between disputing parties, aiming to achieve a mutually acceptable agreement.

Third Party Dispute

A conflict that involves an external party to assist in resolving a disagreement or dispute between two other parties, often in the context of labor relations.

Bargaining Impasse

A situation in labor negotiations where the union and the employer are unable to reach an agreement, potentially leading to strikes or lockouts.