Solution of problem N3963 probability theory total prob
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Product description
- The store received electric bulbs produced by two plants. Among them, 70% are made by the 1st plant, and the rest - by the 2nd. It is known that 3% of the lamps of the 1st plant and 5% of the lamps of the 2nd plant do not meet the standard. What is the probability that a lamp taken at random will be standard?
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)