For the Interval Estimation of μ When σ Is Known

question 79

Multiple Choice

For the interval estimation of μ when σ is known and the sample is large, the proper distribution to use is

• A) the normal distribution
• B) the t distribution with n degrees of freedom
• C) the t distribution with n + 1 degrees of freedom
• D) the t distribution with n + 2 degrees of freedom

---

Definitions:

Inspirational Appeal

An influence tactic that seeks to motivate and engage others by appealing to their emotions or ideals.

Enthusiasm

A strong excitement or eagerness about doing something or about something that interests one.

Commitment

A psychological state or an enduring pledge or promise that influences an individual's or group's persistence and dedication to a goal, task, or relationship.

Political Communications

Candidate-to-voter communications; dynamic, interactive campaign-based process among politicians, the news media, and the public.