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

question 23

Multiple Choice

Do one of the following, as appropriate: (a) Find the critical value $z_{?/2}$ , (b) find the critical value $t_{?/2}$ , (c) state that neither the normal nor the t distribution applies
-A $99 \%$ confidence interval (in inches) for the mean height of a population is $65.64 < \mu < 67.16$ . This result is pased on a sample of size 144 . If the confidence interval $65.85 < \mu < 66.95$ is obtained from the same sample data, what is the degree of confidence? (Hint: you will first need to find the sample mean and sample standard deviation) .

• A) \(94 \%\)
• B) \(92 \%\)
• C) \(93 \%\)
• D) \(95 \%\)

---

Definitions:

Bloodstream

The network of blood vessels through which blood circulates throughout the body.

Absorption

The process by which substances are taken up into or across tissues, such as the uptake of nutrients by the digestive system.

Trade Name

A drug’s brand, or proprietary, name.

Copyright

A legal right granted to the creator of original works of authorship, including the right to copy, distribute, and adapt the creation.