The Dean of a Major University Claims That the Mean $\mu \leq 4.1$

The dean of a major university claims that the mean time for students to earn a Masterʹs degree is at most 4.1 years. If a hypothesis test is performed, how should you interpret a decision that fails to reject the null
Hypothesis?

A) There is not sufficient evidence to reject the claim $\mu \leq 4.1$
B) There is sufficient evidence to reject the claim $\mu \leq$ 4.4.1.
C) There is sufficient evidence to support the claim $\mu \leq$ ≤ 4.1.
D) There is not sufficient evidence to support the claim $\mu \leq$ 4.1.