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.
$\begin{array} { l c } \text { Size } & \text { Relative frequency } \\2 & 0.416 \\3 & 0.238 \\4 & 0.198 \\5 & 0.092 \\6 & 0.039 \\7 + & 0.017\end{array}$
A family is selected at random. Find the probability that the size of the family is less than 5. Round your answer to three decimal places.

A) 0.528
B) 0.436
C) 0.852
D) 0.092