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21 Sep 2026, 03:27
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One pair, two other lines: 36/55
Two pairs from two lines: 6/55
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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A factory operates 4 production lines. A shipment contains 12 components, with exactly 3 components produced by each line. An inspector randomly selects 4 components from the shipment.
In the table, select for One pair, two other lines the probability that exactly 2 of the selected components were produced by the same line while the other 2 were produced by two different lines, and select for Two pairs from two lines the probability that the 4 selected components were produced by exactly 2 lines, with 2 components from each line. Make only two selections, one in each column.
The OA will be automatically revealed on Thursday 24th of September 2026 03:27:36 AM Pacific Time Zone
In the table, select for One pair, two other lines the probability that exactly 2 of the selected components were produced by the same line while the other 2 were produced by two different lines, and select for Two pairs from two lines the probability that the 4 selected components were produced by exactly 2 lines, with 2 components from each line. Make only two selections, one in each column.
| One pair, two other lines | Two pairs from two lines | |
| 1/55 | ||
| 6/55 | ||
| 9/55 | ||
| 18/55 | ||
| 36/55 |
The OA will be automatically revealed on Thursday 24th of September 2026 03:27:36 AM Pacific Time Zone
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