imo class 12 probability

If X follows Binomial(5,0.2), then P(X=1) equals:

VAVidaara Admin Asked 6d ago 0 views 0 answers
#IMO#Class 12#Mathematics#Probability#mathematical-reasoning

If X follows Binomial(5,0.2), then P(X=1) equals:

  • A. 0.4096
  • B. 0.2048
  • C. 0.32768
  • D. 0.512

Answer: A) 0.4096

Explanation: ⁵C₁(0.2)(0.8)⁴=0.4096.

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