Question

A random variable X follows Poisson distribution such that probabilities P(X=1) = P(X=2). Now
consider the following statements:
A. The mean of this poisson distribution is 2.
B. The variance of this poisson distribution is 2.
C. Probability P(X=0) is equal to e2
D. Probability P(X=0) = P(X=1)
Choose the correct answer from the options given below
1. A, B, and C only
2. B, C and D only
3. A, B and D only
4. A, C and D only

Answer 1

Answer:

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