A Government Agency Has 6000 Employees

A government agency has 6000 employees.As an alternative to the traditional five day work week, employees were asked whether they preferred a four day work week (10 hours per day) or flexible hours.The table below shows the results by age category.Which of the following statements is true about work week preferences and age category?

A) Work week preferences are independent of age category.
B) Work week preferences are mutually exclusive.
C) Work week preferences are not independent of age category.
D) Work week preferences are independent and mutually exclusive.
E) There is insufficient information to determine whether work week preferences and age category are independent or mutually exclusive.