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If for a Poisson variable X, f(2) = 3 f(4), what is the variance of X?
  • a)
    2.
  • b)
    4.
  • c)
    .
  • d)
    3.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If for a Poisson variable X, f(2) = 3 f(4), what is the variance of X?...
Poisson distribution ka formula lagao then x ki value daalo fir solve kro .... aajayega..... I'm not able to send photo,,, I would've sent it
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Community Answer
If for a Poisson variable X, f(2) = 3 f(4), what is the variance of X?...
Pv=x , f(2)= 3 f(4)
variance of x=*****

solution:-
f(2)=3 f(4)

so,
if (f1+f2) = f1+f2 =1 and one the same,

then if we substitute this f(2)=3 f(4) into the equation given above.then our answer will be...

f(2)=3 f(4)
=3 f (4+2)
=3f(6)
f =6/3
f = 2
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If for a Poisson variable X, f(2) = 3 f(4), what is the variance of X?a)2.b)4.c).d)3.Correct answer is option 'A'. Can you explain this answer?
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