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

question 139

Multiple Choice

Do one of the following, as appropriate: (a) Find the critical value $\mathrm { z } _ { \alpha / 2 }$ , (b) find the critical value $t _ { \alpha / 2 }$ , (c) state that
neither the normal nor the t distribution applies.
- $99 \% ; \mathrm { n } = 17 ; \sigma$ is unknown; population appears to be normally distributed.

• A) \(\mathrm { t } _ { \alpha / 2 } = 2.898\)
• B) \(\mathrm { z } _ { \alpha / 2 } = 2.567\)
• C) \(\mathrm { z } _ { \alpha / 2 } = 2.583\)
• D) \(t _ { \alpha / 2 } = 2.921\)

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Definitions:

Slime Mold

A group of eukaryotic organisms that can live freely as single cells but can aggregate together to form multicellular reproductive structures.

Parasitic Flatworms

A subgroup of flatworms that live in or on other organisms, deriving nutrients at the host's expense without providing any benefit to the host.

Cell Theory

One of the major theories of biology, which states that all organisms are made up of cells; cells are capable of self-reproduction and come only from preexisting cells.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, controlling the passage of substances in and out of the cell.