In a Certain Town, 40% of Adults Have a College $\begin{array}{c|c}\mathrm{x} & \mathrm{P}(\mathrm{x}) \\\hline 0 & 0.1296 \\1 & 0.3456 \\2 & 0.3456 \\3 & 0.1536 \\4 & 0.0256\end{array}$

question 140

Multiple Choice

In a certain town, 40% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree. Find the standard deviation for the probability distribution.

$\begin{array}{c|c}\mathrm{x} & \mathrm{P}(\mathrm{x}) \\\hline 0 & 0.1296 \\1 & 0.3456 \\2 & 0.3456 \\3 & 0.1536 \\4 & 0.0256\end{array}$

• A) \(\sigma = 0.96\)
• B) \(\sigma = 1.88\)
• C) \(\sigma = 1.12\)
• D) \(\sigma = 0.98\)

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Definitions:

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Third-party beneficiaries for whom a contract is made to benefit as a gift, giving them the right to enforce the contract against the promisor.

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Individuals or entities designated to receive specific gifts or donations.

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In contract law, a third party who benefits from a contract between two other parties, particularly when the benefit was intended as a gift.

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The person to whom a promise or commitment is made, especially in the context of a contractual agreement.