Assume all strings of length 3 from the set S = {A,C,G,T}, (allowing repetition) are equally likely. What is the probability that such a string has no C given that it has no A?
Totally lost with this question.
2026-04-13 08:55:26.1776070526
Set combinations
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The reduced sample space after '$A$' has been removed has $3^3$ unique strings. How many of them have no '$C$'? Then form the correct quotient.