A random sample of 100 observations from a population with standard deviation 60 yields a sample mean of 110. Test the null hypothesis that H : = 100...

A random sample of 100 observations from a population with standard deviation 60 yields a sample mean of 110. Test the null hypothesis that

H : μ = 100 versus Hα : μ > 100 using α = .05

A. z = 1.69

B. z = 1.67

C. z = 2.09

D. z = 1.96