If the error rate for TANF Temporary Assistance for Needy
If the error rate for TANF (Temporary Assistance for Needy Families) payments is greater than 5%, the federal government will cut off funding to the state of Utah. To see whether this is a problem, the agency director takes a sample of 250 TANF recipients and finds that errors have been made in 18 cases. What is your best estimate of the error rate in Utah? Place a 90% confidence limit around this estimate. Present a hypothesis and a null hypothesis, and evaluate them. State a conclusion in plain English.
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