In Studying the Occurrence of Genetic Characteristics, the Following Sample

Multiple Choice

In studying the occurrence of genetic characteristics, the following sample data were obtained. You would like to test the claim that the characteristics occur with the same frequency at the 0.05 significance level.
$\begin{array} { l | c c c c c c } \text { Characteristic } & \text { A } & \text { B } & \text { C } & \text { D } & \text { E } & \text { F } \\\hline \text { Frequency } & 28 & 30 & 45 & 48 & 39 & 39\end{array}$
What is the expected value for D?

A) 28
B) 38
C) 42
D) 48