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

Question

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

Quizplus · Accepted Answer

The probability of having 1, 2, or 3 siblings is the sum of the probabilities for these outcomes: 0.34 + 0.17 + 0.12 = 0.63.

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