For many years businesses have struggled with the rising
cost of health care. But recently, the increases have slowed due to
less inflation in health care prices and employees paying for a
larger portion of health care benefits. A recent Mercer survey
showed that 50% 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 883 companies.Compute the
margin of error and a 90% confidence interval for the proportion of
companies likely to require higher employee contributions for
health care coverage in 2009.
The margin of error: (to 4 decimals)
The confidence interval: ( , ) (to 4
decimals)
For many years businesses have struggled with the rising cost of health care. But recently, the increases have slowed du
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