There are several methods used by people to organize their lives in terms of keeping track of appointments, meetings, and deadlines. Some of these include using a desk calendar, using informal notes of scrap paper, keeping them “in your head, “using a day planner, and keeping a formal “to do” list. Suppose a business researcher wants to test the hypothesis that a greater proportion of marketing managers keep track of such obligations “in their head “than do accountants. To test this, a business researcher samples 400 marketing managers and 450 accountants. Of those sampled, 220 marketing managers keep track “in their head” while 216 of the accountants do so. Using a 1% level of significance, what does the business researcher find?
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