SOLUTION: 1. How many 5-letter sequences(formed from the 26 letters in the alphabet, with repetition allowed contain exactly one A and exactly two Bs?
2. How many ways are there to pick a
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-> SOLUTION: 1. How many 5-letter sequences(formed from the 26 letters in the alphabet, with repetition allowed contain exactly one A and exactly two Bs?
2. How many ways are there to pick a
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Question 778635: 1. How many 5-letter sequences(formed from the 26 letters in the alphabet, with repetition allowed contain exactly one A and exactly two Bs?
2. How many ways are there to pick a man and a women who are not husband and wife from a group of n married couples? Answer by psbhowmick(878) (Show Source):
