The Accompanying Table Describes the Probability Distribution for the Number

question 37

Multiple Choice

The accompanying table describes the probability distribution for the number of adults in a certain town (among 4 randomly selected adults) who have a degree from a post-secondary institute.Find the standard deviation for the probability distribution. $$\begin{array} { c | c } \mathrm { x } & \mathrm { P } ( \mathrm { x } ) \\\hline 0 & 0.0256 \\\hline 1 & 0.1536 \\\hline 2 & 0.3456 \\\hline 3 & 0.3456 \\\hline 4 & 0.1296\end{array}$$

• A)0.96
• B)1.12
• C)0.99
• D)2.59
• E)0.98

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Definitions:

Friendships

Close bonds between two individuals, marked by feelings of care, respect, and admiration.

Family Relationships

The dynamic interconnections and interactions among family members, including parents, children, siblings, and extended family.

Effective Contraceptives

Birth control methods that significantly reduce the chance of pregnancy, ranging from barrier methods to hormonal and long-acting reversible contraceptives.

American Family

A social unit in the United States, which can vary greatly in structure, but traditionally consists of parents and their children.