anthonywdjr2181 anthonywdjr2181
  • 22-11-2017
  • Mathematics
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A coin is tossed three times. (a) what is the probability that the coin will land tails at least twice

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moontime3 moontime3
  • 22-11-2017

[tex] \frac{1}{2} \times \frac{1}{2} = 0.25[/tex]
that's the probability
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Аноним Аноним
  • 22-11-2017
Sample Space =  {HHH, HHT, HTH, HTT, TTT, THH, TTH, THT}
So required probability = 4/8  = 1/2
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