I need help on these 2 stats questions:

The manufacturer of an over-the-counter pain reliever claims that its product brings pain relief to headache suffers in less than 3.5 minutes, on average. In order to be able to make this claim in its television advertisements, the manufacturer was required by a particular television network to present statistical evidence in support of the claim. The manufacturer reported that for a sample of 50 headache sufferers, the mean time to relief was 3.33 minutes. Assume that the standard deviation of time to relief in the users of the pain reliver is 74.04 seconds. Does this data support the manufacturer's claim of less than 3.5 minutes? Set up the appropriate hypotheses test procedure. Test using alpha = 0.05. (a) Choose the correct statistical hypotheses. OA. Ho : X = 3.5minutes, HA : X # 3.5minutes OB. Ho : u > 3.5minutes, HA : u 3.5minutes, HA : X