Find the Expected Value of the Random Variable What Is the Expected Value of the Number of Employees

question 50

Multiple Choice

Find the expected value of the random variable. Round to the nearest cent unless stated otherwise.
-Sue Anne owns a medium-sized business. Use the probability distribution below, where X describes the number of employees who call in sick on a given day. $$\begin{array} { l | c c c c c } \text { Number of Employees Sick } & 0 & 1 & 2 & 3 & 4 \\\hline \mathrm { P } ( \mathrm { X } = \mathrm { x } ) & 0.05 & 0.4 & 0.3 & 0.15 & 0.1\end{array}$$ What is the expected value of the number of employees calling in sick on any given day? Round
The answer to two decimal places.

• A)2.00
• B)1.90
• C)1.85
• D)1.00

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Definitions:

External

Related to, situated on, or derived from the outside of something or someone, often considered in relation to external influences or environments.

Internal

pertains to occurring or existing within the limits or boundaries of something; often referring to processes or features within an organization or an individual.

Unstable

Lacking consistency or predictability in state, structure, or behavior, leading to unpredictability.

Macrosystem

The broadest context in the ecological systems theory, encompassing societal cultures, laws, customs, and resources that influence the individual's development.