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

question 99

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

---

Definitions:

Definition By Negation

A method of explaining a concept by stating what the concept is not, rather than what it is.

Synonym Definition

Describes a term that has the same or nearly the same meaning as another term.

Ambivalence

Mixed feelings or contradictory attitudes towards someone or something.

Topic Sentence

The sentence that expresses the main idea of a paragraph, usually placed at the beginning to guide the reader's understanding of the subsequent content.