The mean age of professors at a university is 57.3 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 u = 57.3. B) There is sufficient evidence to support the claim u = 57.3. C) There is sufficient evidence to reject the claim u =57.3. D) There is not sufficient evidence to support the claim u = 57.3