Mathematics, 02.06.2020 04:57 kamorex
In a factory, a sample of 40 light bulbs was selected from a box of 1,000 light bulbs. In the sample, 2 light bulbs would not work. Based on this sample, how many non-working light bulbs would be expected in the group of 1,000 light bulbs?
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In a factory, a sample of 40 light bulbs was selected from a box of 1,000 light bulbs. In the sample...
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