Instructions Timed Test This test has a time limit of 2 hours. This test will save and submit automatically when the time expires. Warnings appear when half the time, 5 minutes, 1 minute, and 30 seconds remain. Multiple Attempts This test allows 2 attempts. This is attempt number 1 Force Completion Once started, this test must be completed in one sitting. Do not leave the test before clicking Save and Submit This test does not allow backtracking. Changes to the answer after submission are prohibited. Your answers are saved automatically Remaining Time: 27 minutes, 40 seconds. Question Completion Status: A Moving to the next question prevents changes to this answer. Question 20 of 25 Question 20 4 points Save Answer When planning to construct a 90% confidence interval for a population mean such that it is within one eighth (population) standard deviation from a sample mean, what is the minimum sample size required? A Moving to the next question prevents changes to this