Provide an Appropriate Response A) $\sigma = 1.06$ B) $\sigma = 0.84$

question 178

Multiple Choice

Provide an appropriate response. Round to the nearest hundredth.
-In a certain town, 70% 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. $$\begin{array} { | c | c | } \hline \mathrm { x } & \mathrm { P } ( \mathrm { x } ) \\\hline 0 & 0.0081 \\1 & 0.0756 \\2 & 0.2646 \\3 & 0.4116 \\4 & 0.2401 \\\hline\end{array}$$

• A) \(\sigma = 1.06\)
• B) \(\sigma = 0.84\)
• C) \(\sigma = 2.95\)
• D) \(\sigma = 0.92\)

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Definitions:

Addiction

A complex brain disorder characterized by escalation, compulsive drug taking, and relapse; called substance use disorder per the DSM-5.

Schizophrenia

A mental disorder characterized by disruptions in thought processes, perceptions, emotional responsiveness, and social interactions, presenting symptoms like hallucinations and delusions.

Incidence

The frequency or rate at which certain events or cases occur within a specified population over a particular period of time.

Sensitization

The method wherein continuous exposure to an external factor progressively increases the intensity of a reaction.