Solution of problem N3962 probability theory total prob
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Product description
- The store received electric lamps produced by two plants. Among them, 80% are manufactured by the first plant, and the rest - by the second. It is known that 10% of the lamps of the 1st plant and 20% of the lamps of the 2nd plant contain a hidden defect. The probability of purchasing a lamp without a defect in this store is equal to
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)