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Mathematics, 29.07.2019 00:00 mayhy100
The manager of a sawmill wants to find out what percentage of the boards that the mill produced are defective. which sampling methods are likely to be biased? select each correct answer. a. every 40th board produced over the course of 1 week is selected and examined. b. on 1 day, an hour after the sawmill begins production, 30 boards in a row are selected and examined. c. the manager selects 20 boards at random each day for 5 days and examines them. d. the manager sends an email to 20 customers who buy lumber from the mill, asking each how many of the boards they bought the past week were defective. results from the first 5 customers to respond are tallied.
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