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1. ### Difficult Maths Question?

...10 choices for A, 9 choices for B = 90 ways AABA --> 10 choices for A, 9 choices for B = 90 ...

1 Answers · Science & Mathematics · 24/04/2009

2. ### Finite Math-Probability Question?

... (A wins) . . . . . .| . . AA--+ . . .| . . | . . .| . . | . . . ..AABA (A wins) . . .| . . | . . . ..| . . .| . . AAB...

1 Answers · Science & Mathematics · 25/10/2015

3. ### Probability?

...b (C(10,2) = 10! / (2! 8!) = 10*9/2 = 45) times count { aaaa, aaab, aaba, ..., bbab, bbbb } - count ={ aaaa, bbbb } = 2^4 - 2 = 16 - 2 = 14.] [For 3 distinct...

1 Answers · Science & Mathematics · 20/12/2006

4. ### 2 probability questions?

... outcomes with A winning are: AAA,AABA,AABBA,ABAA,ABABA,ABBAA,BAAA,BABAA...

1 Answers · Science & Mathematics · 26/01/2011

5. ### Group Theory Proof -- Simple?

... aba⁻¹ = b⁻¹ by a from left, by a⁻¹ from right: aaba⁻¹a⁻¹ = ab⁻¹a⁻¹, but the right side here ...

3 Answers · Science & Mathematics · 22/02/2009

6. ### Help with probability and sample space?

... & B. their mention implies a win in a game AAA AABA ABAA BAAA AABBA ABABA ABBAA BAABA...

1 Answers · Science & Mathematics · 19/10/2011

7. ### How many numbers from the set {1,2,...,9999} use exactly two different digits?

... same goes for each of the following: aab, aba, abb, aaab, aaba, aabb, abaa, abab, abba, abbb Total = 11 configurations * 81 ...

2 Answers · Science & Mathematics · 13/03/2011

8. ### PROBABILITY:if two fair die are rolled repeatedly. Find the probability of rolling a double three times before rolling a sum of 7 two times.?

...as event B, favorable outcomes are AAA: Pr = 1/8 AABA: Pr = 1/16 ABAA: Pr = 1/16 BAAA: Pr = 1/16...

3 Answers · Science & Mathematics · 22/10/2014

9. ### A probability question, help plz?

...4 outcomes of 1 B and 3 A {BAAA} {ABAA} {AABA} {AAAB}

1 Answers · Science & Mathematics · 16/04/2012

10. ### Two questions on partial orderings?

...e = 5) eaaa eaab eaac eaba eabe eaca caaa caab caac caba cabe caca aaaa aaab aaac aaba aabe aaca abaa abab abac abea acaa acab acac baaa baab baac baba babe baca beaa beab...

2 Answers · Science & Mathematics · 09/03/2009