SOLUTION: My fb password is made up of 10 characters. After inputing the 1st 8 characters correctly, I notice I had forgetten the last two characters and their placement. Lucky for me, I re

Algebra ->  Finance -> SOLUTION: My fb password is made up of 10 characters. After inputing the 1st 8 characters correctly, I notice I had forgetten the last two characters and their placement. Lucky for me, I re      Log On


   

Question 1094287: My fb password is made up of 10 characters. After inputing the 1st 8 characters correctly, I notice I had forgetten the last two characters and their placement.
Lucky for me, I remembered that one of the remnant is a number and the other, a letter of the english alphabet.
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Ques:
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1. What's the maximum number of errors I can make?
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2. What's the probability of me getting the right password after 17 attempts?
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.Enjoy.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1 and 2 You will be locked out after three false attempts. So 0% probability.