Compute confidence interval and verify interval consistent

Reference no: EM131398619

For Exercise 1, compute a .95 confidence interval and verify that this interval is consistent with your decision about whether to reject the null hypothesis.

Exercise 1
Repeat Exercise 2, but test H0:µ = 80.

Exercise 2
Given that X‾ = 78, σ2 = 25, n = 10, and α = .05, test H0:µ > 80, assuming observations are randomly sampled from a normal distribution. Also, draw the standard normal distribution indicating where Z and the critical value are located.

Reference no: EM131398619

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