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.
Answer to relevant QuestionsThe Milwaukee Independent School District (MISD) is concerned with white flight—the withdrawal of white students from MISD. Last year, 63% of all MISD students were white. To get a quick reading of the situation this year, ...Coach Neil Young of the Big Sur High School football team (the “Groovies”) suspects that his team is violating his curfew rule that players must be in their homes by 10:00 PM. In order to check his suspicion, Coach Young ...The William G. Harding School of Public Affairs would like to evaluate its affirmative action program for students. After extended discussion, the faculty decides that all students will take the state civil service exam, and ...The Austin Independent School District wants to know whether the LBJ Magnet School for the Sciences is improving student performance. One hundred students were admitted as sophomores last year to the LBJ school. These ...Refer to Problem 13.7. Charlie Hustle is in charge of selling Ashville’s cars after they have been used 1 year. He believes that Leon’s policy costs the city money, and he presents the figures on the cars’ sales prices ...
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