For the Given Rejection Region, Sketch the Sampling Distribution for Z

Essay

For the given rejection region, sketch the sampling distribution for z and indicate the location of the rejection region.
-A sample of 6 measurements, randomly selected from a normally distributed population, resulted in the following summary statistics: $\bar { x } = 9.1 , s = 1.5$ . Test the null hypothesis that the mean of the population is 10 against the alternative hypothesis $\mu < 10$ . Use $\alpha = .05$ .