DANDMKAZEE DANDMKAZEE
  • 15-04-2018
  • Mathematics
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A fair coin is tossed two times in succession. The set of equally likely outcomes is {HH, HT, TH, TT}. Find the probability of getting exactly one tail.

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jimthompson5910 jimthompson5910
  • 15-04-2018
The event space of getting exactly one tail is {HT, TH}
The sample space is {HH, HT, TH, TT}

There are two ways to get exactly one tail, out of 4 total possible outcomes. 
So 2/4 = 1/2 is the answer
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