An unbiased coin is tossed eight times. The probabity of obtaining at least one head and…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
An unbiased coin is tossed eight times. The probabity of obtaining at least one head and at least one tail is:
- \(\frac{127}{120}\)
- \(\frac{63}{64}\)
- \(\frac{255}{256}\)
- \(\frac{1}{2}\)
Answer
(C) 255 256
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