Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2014)

done JEE Main Paper (Held On 11 April 2014) Total Questions - 1

• question_answer1) If X has a binomial distribution, B(n, p) with parameters n and p such that P(X = 2) = P (X = 3), then E(X), the mean of variable X, is   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  2 ? p                     
  done clear
  B)
  3 ? p
  done clear
  C)
  \[\frac{p}{2}\]                                  
  done clear
  D)
  \[\frac{p}{3}\]
  done clear
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