Find the indicated probability by using the special addition rule.
-A relative frequency distribution is given below for the size of families in one U.S. city.
$\begin{array} { l c }
\text { Size } & \text { Relative frequency } \
\hline 2 & 0.416 \
3 & 0.217 \
4 & 0.210 \
5 & 0.102 \
6 & 0.040 \
7 + & 0.015
\end{array}$
A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round approximations to three decimal places.
A)0.843
B)0.945
C)0.518
D)0.427

Question

Find the indicated probability by using the special addition rule.
-A relative frequency distribution is given below for the size of families in one U.S. city. 
$\begin{array} { l c } 
\text { Size } & \text { Relative frequency } \
\hline 2 & 0.416 \
3 & 0.217 \
4 & 0.210 \
5 & 0.102 \
6 & 0.040 \
7 + & 0.015
\end{array}$ 
A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round approximations to three decimal places. 
A)0.843
B)0.945
C)0.518
D)0.427

Quizplus · Accepted Answer

The Answer of Find the indicated probability by using the special addition rule.
-A relative frequency distribution is given below for the size of families in one U.S. city. 
$\begin{array} { l c } 
\text { Size } & \text { Relative frequency } \
\hline 2 & 0.416 \
3 & 0.217 \
4 & 0.210 \
5 & 0.102 \
6 & 0.040 \
7 + & 0.015
\end{array}$ 
A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round approximations to three decimal places. 
A)0.843
B)0.945
C)0.518
D)0.427

Find the Indicated Probability by Using the Special Addition Rule