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Mathematics, 06.01.2020 22:31 gokusupersaiyan12345
You add two new items to your menu. total sales grow from $4,567 to $5,112 but your food cost average climbs from 22% to 28%.
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Mathematics, 21.06.2019 23:00
According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.
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You add two new items to your menu. total sales grow from $4,567 to $5,112 but your food cost averag...
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