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AP EAMCET201824 Apr 2018Evening ShiftMathematicsProbabilityActual

If the sum and product of the mean and variance of a binomial distribution are 15 and 54 respectively, then the number of trails in it is

Options

  1. A27
  2. B54
  3. C28
  4. D81

Correct answer

A. 27

Step-by-step solution

No solution. Refer to answer key.

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