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| Corruption in my file (Posted on 2019-03-07) |
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I have a very important file, so I've saved a copy on 10 of my 20 hard-drives. However, N of these hard-drives will be corrupted, where N is equally likely to be 0, 1, 2,..., 20. What is the probability that my file will be safe?
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 | solution | Charlie | 2019-03-07 13:08:51 |
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