The Following Contingency Table Provides a Joint Frequency Distribution for a Group

question 3

Multiple Choice

The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Age at Retirement $$\begin{array} { | c | c | c | c | c | c | } \hline \text { Career } & 50 - 55 & 56 - 60 & 61 - 65 & \text { Over 65 } & \text { Total } \\\hline \text { Attorney } & 8 & 41 & 87 & 36 & 172 \\\hline \begin{array} { c } \text { College } \\\text { Professor }\end{array} & 10 & 38 & 71 & 31 & 150 \\\hline \text { Secretary } & 21 & 45 & 63 & 49 & 178 \\\hline \text { Store Clerk } & 18 & 44 & 70 & 50 & 182 \\\hline \text { Total } & 57 & 168 & 291 & 166 & 682 \\\hline\end{array}$$ Suppose one of these people is selected at random.Compute the probability that the person selected was a store clerk.

• A)0.084
• B)0.099
• C)0.316
• D)0.267
• E)0.026

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Definitions:

Temporal Lobes

Regions of the brain located on either side of the head above the ears, involved in processing auditory information, memory, and integrating sensory input.

Implicit Memory

A form of memory where past experiences assist in accomplishing a task without the individual being consciously aware of these past experiences.

Explicit Memory

A type of long-term memory involving conscious recollection of factual information, previous experiences, and concepts.

Liability

A financial obligation or debt owed by a company to third parties, to be settled through the transfer of assets, provision of services, or other economic benefits.