Economic Review reported that for 50% of American workers, the biggest job-related concern is that their skills will become obsolete; for 30%, the biggest concern is that their job would be lost to foreign competition; for 15%, the biggest concern is that younger workers will take their place, and for 5%, the biggest concern is stress in the workplace.You take a sample of workers to test the accuracy of the report.In your sample of 120 workers, 46 said their biggest concern was that their skills would become obsolete, 32 said their biggest concern was that their job would be lost to foreign competition, 27 said their biggest concern was that they would be replaced by younger workers, and 15 said their biggest concern was workplace stress.You conduct a chi-square goodness-of-fit test to test whether these sample results are consistent with the Economic Review report. If the Economic Review's report is accurate, how many workers would you expect to see in the sample who said that their biggest concern was that their skills would become obsolete?
A)50
B)60
C)40
D)80

Question

Quizplus · Accepted Answer

According to the Economic Review report, 50% of American workers are concerned that their skills will become obsolete. Therefore, in a sample of 120 workers, the expected number of workers concerned about their skills becoming obsolete would be 50% of 120, which is 60.

Economic Review Reported That for 50% of American Workers, the Biggest