An Unbiased Coin is Tossed Until The First Head :

An unbiased coin is tossed until the first head appears or until four tosses are completed, whichever happens earlier. Which of the following statements is/are correct?
1. The probability that no head is observed is 1/16
2. The probability that the experiment ends with three tosses is 1/8.
Select the correct answer using the code given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Anurag Mishra Professor Asked on 4th October 2015 in Maths.
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  • 1 Answer(s)

    Answer: (2) 2 only 

    Anurag Mishra Professor Answered on 3rd January 2016.
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