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MHT CET20192 May 2019Morning ShiftMathematicsProbabilityActual

It is observed that 25 % of the cases related to child labour reported to the police station are solved. If 6 new cases are reported, then the probability that atleast 5 of them will be solved is ________

Options

  1. A1 4 6
  2. B19 1024
  3. C19 2048
  4. D19 4096

Correct answer

D. 19 4096

Step-by-step solution

P = 1 4 q = 3 4 n = 6 Required Probability = P x = 5 + P x = 6 = 6 C 5 1 4 5 3 4 + 1 4 6 ∵ p x = r = n C r p r q n - r = 19 4096

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