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| Liar Students (Posted on 2012-02-20) |
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There is a class of 7 students. Student 1 tells lie once a week. Student 2 tells lies twice a week and so on. Students 7 tells lies 7 times a week. A student will not lie more than once in a day. What is the probability that 7 students lie on the same day?
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Submitted by Praneeth
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Solution
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Comment 2 of 2 | 
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(7!) / (7^7) = 0.612%
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Posted by hoodat
on 2012-02-21 02:18:05 |
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