The Age Distribution of Members of a Gymnastics Association Is

Multiple Choice

The age distribution of members of a gymnastics association is shown in the table. A member of theassociation is selected at random. Find the probability that the person selected is at least 31. Round your answerto three decimal places. $$\begin{array} { l c } \text { Age (years) } & \text { Frequency } \\\hline \text { Under 21 } & 407 \\21 - 25 & 401 \\26 - 30 & 214 \\31 - 35 & 54 \\\text { Over } 35 & 28 \\\hline\end{array}$$

A) 0.074
B) 0.049
C) 82
D) 0.926