Mathematics

Question

The widget factor is pulling items for each batch to test them for quality control. Twenty-four items are pulled randomly from each batch regardless of the side of the batch. A manager record the percentage and the size of the batch in a log. Which of these could be recorded in the log?

1 Answer

  • Convert the percentages and then multiply each by the size of each batch and see if you get 24. 0.25 * 96 = 24 (ANSWER) 0.20 * 120 = 24 (ANSWER) 0.12 * 220 = 26.4 0.06 * 400 = 24 (ANSWER) 0.15 * 160 = 24 (ANSWER) 0.09 * 260 = 23.4 So the answer is the 1st, 2nd, 4th, and 5th ones
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