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Three coins are tossed. What is the probability of getting (i) 2 Tails and 1 Head
  • a)
    1/4
  • b)
    3/8
  • c)
    2/3
  • d)
    1/8
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Three coins are tossed. What is the probability of getting (i) 2 Tails...
You can calculate it, but for such a small number of possible combinations of independent events (8), let’s look at them all.

H = heads

T = tails

Possible events with equal probability (order matters):

HHH

HHT

HTH

HTT

THH

THT

TTH

TTT

Number with 2 heads: 3

Total number: 8

From the definition of probability, the number you are looking for is 3/8
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Three coins are tossed. What is the probability of getting (i) 2 Tails and 1 Heada)1/4b)3/8c)2/3d)1/8Correct answer is option 'B'. Can you explain this answer?
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