Question: 4. Using a Z interval, construct a 90% confidence interval for / if a random sample of size n=30 with a sample mean x =

4. Using a Z interval, construct a 90% confidence interval for

4. Using a Z interval, construct a 90% confidence interval for / if a random sample of size n=30 with a sample mean x = 100 is drawn from a normal population with o = 6

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