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A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self-improvement course would like such a course. The firm did
A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self-improvement course would like such a course. The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course. The groups are assumed to be independent random samples. Let 1and 2represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively. Referring to Scenario 10-10, if the firm wanted to test whether a greater proportion of workers would currently like to attend a self-improvement course than in the past, which represents the relevant hypotheses?
A.) H0: 1- 2 0 versusH1: 1- 2> 0 |
B.) H0: 1- 2 0 versusH1: 1- 2= 0 |
C.) H0: 1- 2= 0 versusH1: 1- 2 0 |
D.) H0: 1- 2 0 versusH1: 1- 2< 0 |
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