Question

3) You have some friends who are doing a group project with you. The goal is to test H₀ : u = 5 vs H₁ : u > 5. They have to go, but before they leave they tell you what they have found. They have a sample mean = 4.8, a critical number x bar ( this would be x with a bar over it ) critical = 4.9, ( x_c = 4.9 , where the underline should be on top of the x . ). They also tell you that n = 36 and σ = 1.1. They used some alpha, but they did not tell you what it is.

A). Do you reject the null hypothesis or not? Do you accept the alternative hypothesis? Why???

B) Find α.

c) Find the P-value.

Answer 1

Please rate if it is really helps you. Thank you.