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Six unbiased coins are tossed simultaneously. Find the probability that at least two heads occur.
  • a)
    45/64        
  • b)
    17/64        
  • c)
    57/64        
  • d)
    37/64
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Six unbiased coins are tossed simultaneously. Find the probability tha...
Probability that one heads occurs = 6C1 (1/2)(1/2)5= 6 (1/26)
Probability that all tails occur =6C0 (1/2)6 =(1/26)
Hence, probability that at least two heads occur = 1 - (1/26) - 6 (1/26) = 57/64
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Six unbiased coins are tossed simultaneously. Find the probability that at least two heads occur.a)45/64 b)17/64 c)57/64 d)37/64Correct answer is option 'C'. Can you explain this answer?
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