A Survey Conducted in a Small Business Yielded the Results

Multiple Choice

A survey conducted in a small business yielded the results shown in the table. $$\begin{array} { l c c } & \text { Men } & \text { Women } \\\text { Health insurance } & 50 & 20 \\\text { No health insurance } & 30 & 10\end{array}$$ Test the claim that health care coverage is independent of gender. Use a 0.05 significance level. What is the value of the test statistic?

A) $\chi ^ { 2 } = 3.841$
B) $\chi ^ { 2 } = 5.821$
C) $\chi ^ { 2 } = 0.1637$
D) $\chi ^ { 2 } = 8.263$