Solve the Problem What Is the Probability That a Student Has 1, 2

question 42

Multiple Choice

Solve the problem.
-In a survey about the number of siblings of college students, the following probability table was constructed: $$\begin{array} { c | c } \text { Number of Siblings } & \text { Probability } \\\hline 0 & 0.23 \\\hline 1 & 0.34 \\\hline 2 & 0.17 \\\hline 3 & 0.12 \\\hline 4 \text { or more } & 0.14\end{array}$$ What is the probability that a student has 1, 2, or 3 siblings?

• A) 0.51
• B) 0.63
• C) 0.86
• D) 0.29

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Definitions:

Dotted Line

A line made up of small, repeated dots, often used to indicate borders, boundaries, or suggested paths that are not physically marked.

Broken Line

A line that is not continuous but consists of a series of dashes, often used in drawings to represent hidden, unseen, or imaginary boundaries or features.

Partial View

A drawing or representation focusing on a specific section or portion of an object, omitting the rest for clarity or simplicity.

Limited Portion

A segment or fraction of something that is restricted in size, amount, or extent.