diflakf
17.03.2020 •
Mathematics
A lab network consisting of 20 computers was attacked by a computer virus. This virus enters each computer with probability 0.4, independently of other computers. Find the probability that it entered at least 10 computers
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Ответ:
Title:
See the explanation.Step-by-step explanation:
In the lab, there was a total of 20 computers. The probability of getting a computer affected because of the virus is 0.4.
Hence, the probability of a computer not getting affected is (1 - 0.4) = 0.6.
From the 20 computers, 10 can be chosen in ways.
The probability of 10 computers will be affected is .
Now, the probability of getting 11 computers be affected is .
Hence, the probability of at least 10 computers get affected is ∑, where .
Ответ:
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Step-by-step explanation:
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