binks5832 binks5832
  • 24-04-2018
  • Mathematics
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If you flip a coin 3 times what is the probability of getting at least 2 tails

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Аноним Аноним
  • 24-04-2018
If you flipped a coin 3 times:{

Total number of possible outcomes = 2³ = 8

Total number of outcomes with at least 2 tails = 4
{HTT , THT, TTH, TTT}

P(at least 2 tails ) = 4/8 = 1/2

Answer: 1/2




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konrad509
konrad509 konrad509
  • 17-07-2018

[tex] |\Omega|=2^3=8\\
|A|=4\\\\
P(A)=\dfrac{4}{8}=\dfrac{1}{2}=50\% [/tex]


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