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suppose you inoculate a PR broth with a slow-growing fermenter. after 48 hours, you see slight turbidity but score it as negative. is this result a false positive or afalse negative? is this a result of poor specificity or poor sensitivity of the test system
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3. Beginning inventory, purchases, and sales of a commodity are presented below: Inventory:July 1 15 units at $55 SoldJuly 6 10 units at $57 PurchasedJuly 9 30 units at $60 SoldJuly 12 30 units at $58 PurchasedJuly 18 50 units at $65 SoldJuly 22 40 units at $59 Assuming that the perpetual inventory system is used, determine the Total Cost of the Merchandise Sold and the Total Cost of the Ending Inventory using a) FIFO b) LIFO c) Weighted...
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6. Effect size and Cohen's dSuppose a researcher is trying to understand whether people who purchase fast-food hamburgers would be willing to pay more if the hamburger comes with a free key chain. Prior research suggests the mean amount customers say they are willing to pay for a hamburger is μ = 3.68 and σ = 0.70.The researcher plans to conduct a study very similar to the prior research by selecting a sample of customers and asking them how much...