The Breakdown of Workers in a Particular State According to Their

question 155

Multiple Choice

The breakdown of workers in a particular state according to their political affiliation and type of job held isshown here. Suppose a worker is selected at random within the state and the worker?s political affiliation andtype of job are noted. Given the worker is a Democrat, what is the probability that the worker is in a whitecollar job. $\begin{array}{l}\text {\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad Political Affiliation }\\\begin{array} { c c c c c } \hline & & \text { Republican } & \text { Democrat } & \text { Independent } \\\hline & \text { White collar } & 18 \% & 8 \% & 15 \% \\{ \text { Type of job } }\\& \text { Blue Collar } & 12 \% & 10 \% & 37 \% \\\hline\end{array}\end{array}$

• A) \(0.444\)
• B) \(0.195\)
• C) \(0.157\)
• D) \(0.353\)

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Definitions:

Objective Lenses

Lenses closest to the specimen in a microscope that magnify the image of the sample.

Focus Knobs

Controls on a microscope that adjust the clarity and sharpness of the specimen being viewed by moving the lenses closer or farther from the specimen.

Iris Diaphragm

A mechanical device, typically part of a camera or microscope, that controls the amount of light passing through a lens or onto a specimen.

Field Diameter

The diameter of the field of view seen through the microscope, typically measured in millimeters or micrometers.