MathDB

Problem 3

Part of 2004 VTRMC

Problems(1)

six-letter word with three letters doesn't contain A (VTRMC 2004 P3)

Source:

7/28/2021
A computer is programmed to randomly generate a string of six symbols using only the letters A,B,CA,B,C. What is the probability that the string will not contain three consecutive AA's?
combinatorics