Chels R.

asked • 07/24/16

need the lower and upper endpoint

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in California.  Suppose that the mean income is found to be  $24.4 for a random sample of  748 people.  Assume the population standard deviation is known to be  $10.6.  Construct the  85% confidence interval for the mean per capita income in thousands of dollars. 

1 Expert Answer

By:

Richard C. answered • 07/24/16

Tutor
5 (60)

Yes, You Can Learn Math!

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.