Find the Indicated Probability If One of the 255 Subjects Is Randomly Selected, Find

question 151

Multiple Choice

Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
-The table below shows the soft drinks preferences of people in three age groups. $$\begin{array} { r | c c c } & \text { cola } & \text { root beer } & \text { lemon-lime } \\\hline \text { under 21 years of age } & 40 & 25 & 20 \\\text { between 21 and 40 } & 35 & 20 & 30 \\\text { over 40 years of age } & 20 & 30 & 35\end{array}$$
If one of the 255 subjects is randomly selected, find the probability that the person is over 40 and drinks cola.

• A) \(\frac { 4 } { 51 }\)
• B) \(\frac { 4 } { 17 }\)
• C) \(\frac { 4 } { 19 }\)
• D) None of the above is correct.

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Definitions:

Regression

A defense mechanism leading an individual to revert back to a previous stage of development in their behavior, thoughts, or feelings.

Unconsciously

Actions or thoughts that occur without conscious awareness or control, often stemming from the subconscious mind.

Oral Stage

The first stage in Freudian psychosexual development, occurring in the first year of life, where pleasure is centered around oral activities such as sucking and biting, playing a crucial role in the development of future relationships and behavior patterns.

Fixation

An obsessive focus or attachment to an individual, concept, or phase of development, potentially leading to psychological conflicts.