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Of the 7-letter passwords formed by rearranging the letters AAAABBC, I select one at random. Determine: i. Prob (my password begins and ends with A)

Of the 7-letter passwords formed by rearranging the letters AAAABBC, I select one at random. Determine: i. Prob (my password begins and ends with A) ii. Prob (my password is a palindrome)

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