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a report find that two in five subprime mortgage are likely to default in the United states. A research economist is interest in estimating default

a report find that two in five subprime mortgage are likely to default in the United states. A research economist is interest in estimating default rates in the State of Illinois with 95% confidence.

How large a sample is needed to restrict the margin of error to within 0.07, using the reported national default rate?

Sample Size=

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