The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen family. Find the probability that a family took at least 3 vacations last year.
$\begin{array} { c | c c c c c }
x & 0 & 1 & 2 & 3 & 4 \
\hline P ( x ) & 0.07 & 0.74 & 0.1 & 0.05 & 0.04
\end{array}$
A)0.05
B)0.91
C)0.19
D)0.09

Question

The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen family. Find the probability that a family took at least 3 vacations last year.
$\begin{array} { c | c c c c c } 
x & 0 & 1 & 2 & 3 & 4 \
\hline P ( x ) & 0.07 & 0.74 & 0.1 & 0.05 & 0.04
\end{array}$
A)0.05
B)0.91
C)0.19
D)0.09

Quizplus · Accepted Answer

The Answer is D

The Following Table Presents the Probability Distribution of the Number x01234P(x)0.070.740.10.050.04\begin{array} { c | c c c c c } x & 0 & 1 & 2 & 3 & 4 \\\hline P ( x ) & 0.07 & 0.74 & 0.1 & 0.05 & 0.04\end{array}xP(x)​00.07​10.74​20.1​30.05​40.04​​

The Following Table Presents the Probability Distribution of the Number $\begin{array} { c | c c c c c } x & 0 & 1 & 2 & 3 & 4 \\\hline P ( x ) & 0.07 & 0.74 & 0.1 & 0.05 & 0.04\end{array}$