One hundred identical coins, each with probability, p, of showing up heads are tosses…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
One hundred identical coins, each with probability, p, of showing up heads are tosses once. If 0 < p < 1 and the probability of heads showing on fifty coins is equal to that of heads showing on 51 coins, then the value of p is :
- 1/2
- 49/101
- 50/101
- 51/101
Answer
(D) 51/101
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