Content: teorver_4055.doc (25.00 KB)
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4055. Of 1000 lamps, 360 belong to the 1st installment, 600 - the 2nd and the rest - to the 3rd installment. In the first batch of 6%, in the second 5%, in the third 4% of defective lamps. One lamp is selected at random. Determine the probability that the selected lamp is defective.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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