hi can you help me solve this question?

The dean of a major university claims that the mean time for students to earn a Master's degree is at most 4.6 years. If a hypothesis test is performed, how should you interpret a decision that fails to reject the null hypothesis? O A. There is sufficient evidence to support the claim u $ 4.6. O B. There is sufficient evidence to reject the claim u $ 4.6. O C. There is not sufficient evidence to support the claim u $ 4.6. O D. There is not sufficient evidence to reject the claim u $ 4.6