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4128. The computer system contains 45 identical microel 2019

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Description

4128. The computer system contains 45 identical microelements. The probability that any microelement will work at a given time is 0.80. To perform a certain operation, it is required that at least 30 trace elements be in working condition. What is the probability that the operation will be completed successfully?

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Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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