Question: In a multiple guess test with 6 questions, where each question has 5 possible answers; what is the probability of getting all 6 questions wrong

In a multiple guess test with 6 questions, where each question has 5 possible answers; what is the probability of getting all 6 questions wrong by purely guessing each answer? [For this problem "wrong" means any of the 4 incorrect answers of the 5 total answers are selected 6 times in a row.] Express the answer as a 4 digit decimal.

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