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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