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A coin is tossed five times. What is the probability that heads are observed more than three times ?
  • a)
    3/16
  • b)
    5/16
  • c)
    1/2
  • d)
    3/32
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A coin is tossed five times. What is the probability thatheads are obs...
Let P denote the probability of getting head in a single toss of a coin.
Let X denote the no. of heads in 5 tosses of a coin, then, X is a binomial variate with parameters; n = 5 & p= 1/2
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A coin is tossed five times. What is the probability thatheads are observed more than three times ?a)3/16b)5/16c)1/2d)3/32Correct answer is option 'A'. Can you explain this answer?
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