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Author Question: Let X be a Poisson random variable with mean , what is the P(X=2)? a.0.27 b.0.54 c.0.184 ... (Read 113 times)

Mimi

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on: Jun 24, 2018

  Let X be a Poisson random variable with mean , what is the P(X=2)?
 

  a.0.27
  b.0.54
  c.0.184
  d.1.36

Question 2


  If the random variable X has a binomial distribution with n = 30 and , what are the mean and standard deviation of X?
 

  a.
  b.
  c.
  d.E(X) =3, Var(X) = 2.1


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nekcihc358

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Reply #1 on: Jun 24, 2018
Answer to Question 1

correct: c

Answer to Question 2

correct: a


Mimi

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

patma1981

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Reply 3 on: Yesterday
Excellent

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