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Solution of problem N3954 probability theory total prob
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last one 15.01.2024
Uploaded: 21.02.2019
Content: teorver_3954.doc 24,5 kB
Uploaded: 21.02.2019
Content: teorver_3954.doc 24,5 kB
Product description
3954. Electric bulbs are manufactured at three plants. The first produces 45% of the total number of light bulbs, the second - 40%, the third - 15%. The products of the first plant contain 30% of energy-saving lamps, the second-20%, and the third-25%. The store receives products from all three plants. What is the probability that a lamp purchased at the store will be energy efficient?
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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