Suppose that when a long string of text is encrypted using
Chapter 4, Problem 6E(choose chapter or problem)
Problem 6E
Suppose that when a long string of text is encrypted using a shift cipher f(p) = (p +k) mod 26. the most common letter in the ciphertext is X. What is the most likely value for k assuming that the distribution of letters in the text is typical of English text?
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