Do One of the Following, as Appropriate: (A) Find the Critical

question 43

Multiple Choice

Do one of the following, as appropriate: (a) Find the critical value $z _ { \alpha / 2 }$ , (b) find the critical value $t _ { \alpha / 2 }$ , (c) state that neither the normal nor the $t$ distribution applies.
$90 \%$ confidence interval for $\mu ; n = 9 ; \sigma = 4.2$ ; population appears to be very skewed.

• A) \(z _ { \alpha / 2 } = 2.896\)
• B) \(z _ { \alpha / 2 } = 2.365\)
• C) \(z _ { \alpha / 2 } = 2.306\)
• D) Neither the normal nor the \(t\) distribution applies.

---

Definitions:

Self-Determination

The principle that a community or nation has the right to determine its own political status and pursue its economic, social, and cultural development independently.

Boxer Rebellion

An uprising in China between 1899 and 1901 against foreign influence in trade, politics, religion, and technology.

Open Door Policy

A foreign policy principle proposed by the United States in the late 19th and early 20th centuries advocating for equal trading rights among nations in China.

Imperialist Powers

Countries that extend their power and influence through colonization, use of military force, or other means.