The Discrete Random Variable X Is the Number of Students $$\begin{array} { l c c c c r } X & 0 & 1 & 2 & 3 & \text { Total } \\P ( X ) & 40 & 30 & 20 & 10 & 1.00\end{array}$$

question 77

Multiple Choice

The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the expected value E(X) for this distribution? $$\begin{array} { l c c c c r } X & 0 & 1 & 2 & 3 & \text { Total } \\P ( X ) & 40 & 30 & 20 & 10 & 1.00\end{array}$$

• A)1.2
• B)1.0
• C)1.5
• D)2.0

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Definitions:

Inadequacy of Consideration

A situation where the value exchanged in a contract is significantly disproportionate, raising questions about the fairness of the agreement.

Wholesale Price

The cost of goods sold in bulk to retailers or distributors, generally lower than retail price.

Seal

A device or symbol used to authenticate documents as genuine or to signify approval or ratification.

Consideration

A concept in contract law, referring to something of value exchanged between parties as part of an agreement.