Question

After a computer virus entered the point
system, a computer manager
checks the condition of all
important files. She knows that
each file has probability 0.2 to be
damaged by the
virus, independently of other files.
Compute the probability that at
least 6 of the first 15 files are
damaged​

Answer 1

Answer:

After a computer virus entered the system, a computer manager checks the condition of all important files. She knows that each file has probability 0.2 to be damaged by the virus, independently of other files. (a) Compute the probability that at least 5 of the first 20 files are damaged. (b) Compute the probability that the manager has to check at least 6 files in order to find 3 undamaged files

Step-by-step explanation:

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