Question: According to an online survey by Harris Interactive for job site CareerBuilder.com (lnformationWeek.com, September 27, 2007), more than half of IT workers say they have fallen asleep at work. Sixty-four percent of government workers admitted to falling asleep on the job. Assume that the following contingency table is representative of the survey results.
![288_JC.png](https://secure.tutorsglobe.com/CMSImages/288_JC.png)
a. Specify the competing hypotheses to determine whether sleeping on the job is associated with job category.
b. Compute the value of the test statistic.
c. Approximate the p -value.
d. At the 5% significance level, can you conclude that sleeping on the job depends on job category?