Question

Suppose that a national survey finds that 73 percent of restaurant employees say that work stress has a negative impact on their personal lives. A random sample of 200 employees of a large restaurant chain finds that 141 employees say that work stress has a negative impact on their personal lives.
(1) Formulate the null and alternative hypotheses needed to attempt to provide evidence that the percentage of work-stressed employees for the restaurant chain differs from the national percentage.
(2) Use critical values and a p-value to perform the hypothesis test by setting α equal to .10, .05, .01, and .001.


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  • CreatedMay 28, 2015
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