SOLUTION: Roberto tosses a coin tree times what is the theoretical probability a coin landing on heads at least on of those times?
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Question 1083913: Roberto tosses a coin tree times what is the theoretical probability a coin landing on heads at least on of those times?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The table of possibilities is
TTT
TTH
THT
HTT
THH
HHT
HTH
HHH
There is at least 1 head in every case
but the first one, so I can say:
P[ at least 1 head ] = 7/8
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