Hospital administrators wish to learn the average length of stay of all surgical patients. a statistician determines that, for a 95% confidence level estimate of the average length of stay to within +/- 0.5 days, 50 surgical patients' records will have to be examined. how many records should be looked at to obtain a 95% confidence level estimate to within +/- 0.25 days?

Lucido products markets two computer games: claimjumper and makeover. a contribution format income statement for a recent month for the two games appears below: claimjumper makeover total sales $ 30,000 $ 70,000 $ 100,000 variable expenses 20,000 50,000 70,000 contribution margin $ 10,000 $ 20,000 30,000 fixed expenses 24,000 net operating income $ 6,000 required: 1. compute the overall contribution margin (cm) ratio for the company.. 2. compute the overall break-even point for the company in dollar sales. 3. complete the contribution format income statement at break-even point for the company showing the appropriate levels of sales for the two products. (do not round intermediate calculations.)