Can someone help?

For many years businesses have struggled with the rising cost of health care. But recently, the increases have slowed due to less ination in health care prices and employees paying for a larger portion of health care benets. A recent Mercer survey showed that 59% of U.S. employers were likely to require higher employee contributions for health care coverage in 2009. Suppose the survey was based on a sample of 990 companies. Compute the margin of error and a 90% condence interval for the proportion of companies likely to require higher employee contributions for health care coverage in 2009. 111e margin of error: | i {to 4 decimals) The 90% condence interval: Q -. , | Hi) (to 4 decimals)