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Even (related) chances (Posted on 2017-08-09) Difficulty: 3 of 5
Consider a string of n quaternary digits, randomly created.

Evaluate the probability that in this string the quantity
of an a priori defined digit, say zero, is even.

Double check your result by
a. direct count and comparison (e.g. n=4)
b. getting the same result by two distinct methods.

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re: closed | Comment 3 of 4 |
(In reply to closed form by xdog)

surprising because it's > 1.    

it  is not >1 

  Posted by Ady TZIDON on 2017-08-09 13:22:30
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