A Relative Frequency Distribution Is Given Below for the Size

Multiple Choice

A relative frequency distribution is given below for the size of families in one U.S. city.
$\begin{array} { l c } \text { Size } & \text { Relative frequency } \\\hline 2 & 0.458 \\3 & 0.205 \\4 & 0.199 \\5 & 0.086 \\6 & 0.034 \\7 + & 0.018\end{array}$
A family is selected at random. Find the probability that the size of the family is at most 6. Round approximations to three decimal places.

A) 0.034
B) 0.948
C) 0.052
D) 0.982