Find the Indicated Probability A Family Is Selected at Random

Multiple Choice

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