Solve the problem.
-In a survey about the number of siblings of college students, the following probability table was constructed: $$\begin{array} { c | c }
\text { Number of Siblings } & \text { Probability } \
\hline 0 & 0.25 \
\hline 1 & 0.34 \
\hline 2 & 0.21 \
\hline 3 & 0.09 \
\hline 4 \text { or more } & 0.11
\end{array}$$ What is the probability that a student 3 or more siblings?
A) 0.09
B) 0.11
C) 0.2
D) 0.8

Question

Solve the problem.
-In a survey about the number of siblings of college students, the following probability table was constructed: $$\begin{array} { c | c } 
\text { Number of Siblings } & \text { Probability } \
\hline 0 & 0.25 \
\hline 1 & 0.34 \
\hline 2 & 0.21 \
\hline 3 & 0.09 \
\hline 4 \text { or more } & 0.11
\end{array}$$ What is the probability that a student 3 or more siblings?
A) 0.09
B) 0.11
C) 0.2
D) 0.8

Quizplus · Accepted Answer

The probability of a student having 3 or more siblings is the sum of the probabilities for having 3 siblings and having 4 or more siblings, which is 0.09 + 0.11 = 0.2.

Solve the Problem What Is the Probability That a Student 3 or More