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3839. There are three batches of radio tubes, numbering
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Uploaded: 03.02.2019
Content: teorver_3839.doc 25 kB
Uploaded: 03.02.2019
Content: teorver_3839.doc 25 kB
Product description
3839. There are three batches of radio tubes, numbering respectively 20, 70 and 10 pieces. The probabilities that the lamp will last for a given time are equal, respectively, for these batches to 0.9; 0.6 and 0.8. Find the probability that a selected lamp of 100 will work at random for a given time.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)