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My phone is 2543663 (Posted on 2014-04-15) Difficulty: 2 of 5

I repeat rolling a fair die and writing the result down, - after a while I let the software to continue random generation of the integers 1 to 6 till the 1000th digit.

What is the probability for my 7-digit phone number being somewhere within the sequence?

See The Solution Submitted by Ady TZIDON    
Rating: 3.5000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Two different exact answers | Comment 4 of 5 |
(In reply to Two different exact answers by Steve Herman)

?1-(1-(1/6)^7)^994
 0.0035445212572191355
  Posted by Charlie on 2014-04-15 23:47:38

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