When considering penalties for hacking, motivation is irrelevant

Which of the following is not a factor that has caused the decline in defined benefit plans in the U.S.?

A) Increasing mobility of the workforce B) Global competition causing employers to reduce expenses C) Reduced employer liability for pension plan results under a defined benefit plan D) Employee, and not the employer, bears the investment risk of a defined contribution plan

In hypothesis testing, the null and the alternative hypotheses are ________

A) not mutually exclusive B) mutually exclusive C) always false D) always true