Solve the Problem What Is the Probability That a Student Has Less Than

question 73

Multiple Choice

Solve the problem.
-In a survey about the number of siblings of college students, the following probability table was constructed: $$\begin{array} { c | c } \text { Number of Siblings } & \text { Probability } \\\hline 0 & 0.24 \\\hline 1 & 0.32 \\\hline 2 & 0.19 \\\hline 3 & 0.14 \\\hline 4 \text { or more } & 0.11\end{array}$$ What is the probability that a student has less than 2 siblings?

• A) 0.75
• B) 0.19
• C) 0.25
• D) 0.56

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Definitions:

Group Polarization

The tendency for a group to make decisions that are more extreme than the initial inclination of its members, either more conservative or riskier.

Risky Shift

The phenomenon where groups make riskier decisions than individuals would.

Group Norms

Unwritten rules or expectations within a group that dictate the behaviors, values, and attitudes of its members.

Social Reality

The shared beliefs, practices, norms, and values that are constructed by society and perceived as real and valid by its members.