imo class 12 probability

In 8 Bernoulli trials with p=0.5, probability of exactly 8 successes is:

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In 8 Bernoulli trials with p=0.5, probability of exactly 8 successes is:

  • A. 1/256
  • B. 8/256
  • C. 28/256
  • D. 56/256

Answer: A) 1/256

Explanation: ⁸C₈(0.5)⁸=1/256.

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