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a) What is the appropriate test for this case? (10 points)
The appropriate test for the case is a Ztest.
b) What is the null hypothesis? (5 points)
The null Hypothesis is
c) What is the alternative hypothesis? (5 points)
d) Determine if this test is left-tailed, right-tailed, or two-tailed. (5 points)
e) What is the significance level? (5 points)
f) What is the test statistics? (10 points)
g) What is the p-value? (10 points)
h) Do we reject the null hypothesis? (10 points)
i) What is the conclusion? (15 points)
j) What is 95% confidence interval for the population mean? (10 points)
k) Interpret the confidence interval. (15 points)
