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Fin the critical value, test statistics and the conclusion

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Reference no: EM1319852

Question: In a survey of 700 randomly selected workers, 16 percent got their jobs through   newspaper ads. Consider hypothesis test that uses 0.05 significance level [95 percent confidence interval], test the claim that less than 20 percent of workers got their jobs through newspaper ads

[A] What is the critical value?
[B] What is the test statistics?
[C] What is the conclusion?

Reference no: EM1319852

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