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QUESTION
Suppose the annual out-of-pocket health care expenses for retirees have a mean of $10,700 and a standard deviation of $2,500.
Suppose the annual out-of-pocket health care expenses for retirees have a mean of $10,700 and a standard deviation of $2,500. What is the percentage of retirees with annual out-of-pocket health care costs between $5,700 and $15,700?
