Construct Probability Histograms
-A Manager Asked Her Employees How Many $x$

question 60

Multiple Choice

Construct Probability Histograms
-A manager asked her employees how many times they had given blood in the last year. The results of the survey are given below. The random variable $x$ represents the number of times a person gave blood and $\mathrm { P } ( \mathrm { x } )$ represents the probability of selecting an employee who had given blood that percent of the time. What is the mean number of times a person gave blood based on this survey?
$\begin{array}{|c|c|c|c|c|c|c|c|}\hline x & 0 & 1 & 2 & 3 & 4 & 5 & 6 \\\hline P(x) & 0.30 & 0.25 & 0.20 & 0.12 & 0.07 & 0.04 & 0.02 \\\hline\end{array}$

• A) \(1.6\)
• B) \(3.0\)
• C) \(2.0\)
• D) \(0.14\)

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Definitions:

Physical Effects

Refer to the changes or impacts on the body or its systems due to external or internal factors.

Schachter-Singer Experiment

A psychological study that explored the connection between cognitive processes and emotions, suggesting emotions result from physiological arousal and situational cues.

Emotional Experience

The complex state of feeling that results from the interaction of biological, psychological, and social factors, influencing mood, temperament, and personality.

Visceral Reaction

An instinctive, gut feeling or reaction, not influenced by logical reasoning or analysis.