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Mathematics, 28.11.2019 05:31 ayoismeisalex
The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership. the dealership has historically had 800 customers per day. the owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was 750. assume that the population standard deviation is 350. the value of the test statistic is multiple choice z = –1.429 t99 = 1.429 z = 1.429 t99 = –1.429
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