Question 1 of 9 - 15 View Policies Current Attempt in Progress Take a random sample of 40 of these hospitals using a systematic sample of every 50th hospital, starting with hospital 1. Using the sample and assuming that the population standard deviation of beds is 150, construct a 95% confidence interval to estimate the mean number of beds for a hospital in the United States. American Hospital Association database Sample mean (Round answers to 1 decimal place, e.g. 15.2.) Confidence interval (Round z values to 2 decimal places, e.g. 15.25. Round answer to 2 decimal places, e.g. 15.25.) Save for Later Attempts: 0 of 2 used Submit Answer Using multiple attempts will impact your score. 10% score reduction after attempt 1