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Mathematics 67 Online
OpenStudy (anonymous):

What is the probability that such a random rearrangement starts with all four As as the fi rst four letters in ANTANANARIVO.?

OpenStudy (anonymous):

12 letters in total so probability = (4/12)*(3/11)*(2/10)*(1/9)

OpenStudy (anonymous):

hmm question asks for the probability of a permutation starting with "all 4 As " ?

OpenStudy (anonymous):

yes I'm find all 4 "A's" in that word for the probability.

OpenStudy (paxpolaris):

ohh.. ok you are right.

OpenStudy (anonymous):

np :)

OpenStudy (anonymous):

Thanks, I understand now. :)

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