Find the indicated probability.
-A relative frequency distribution is given below for the size of families in one U.S. city.
$\begin{array} { l c }
\text { Size } & \text { Relative frequency } \
\hline 2 & 0.402 \
3 & 0.242 \
4 & 0.209 \
5 & 0.098 \
6 & 0.029 \
7 + & 0.020
\end{array}$
A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round your answer to three decimal places.
A)0.951
B)0.5
C)0.853
D)0.451

Question

Find the indicated probability.
-A relative frequency distribution is given below for the size of families in one U.S. city. 
$\begin{array} { l c } 
\text { Size } & \text { Relative frequency } \
\hline 2 & 0.402 \
3 & 0.242 \
4 & 0.209 \
5 & 0.098 \
6 & 0.029 \
7 + & 0.020
\end{array}$
 A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round your answer to three decimal places.
A)0.951
B)0.5
C)0.853
D)0.451

Quizplus · Accepted Answer

The probability that the size of the family is between 2 and 5 inclusive is the sum of the relative frequencies for sizes 2, 3, 4, and 5: 0.402 + 0.242 + 0.209 + 0.098 = 0.951.

Find the Indicated Probability A Family Is Selected at Random