Find mean and variance of binomial distribution, i.e. if probability density function is:

Question

Question

$f(x)=\: C_{n}^{x}\: p^{x}q^{n-x}\: ,\: x=0,1,2...n$

math Statistics-And-Probability

Answer 1

Answer #1

TOPIC:Mean and variance of the Binomial distribution.

0else. (x) E (x). mea n = n! 2.-3 วา ว่า-| 까됴 วา X-1 าว-1 지 (m-x)! スニ。 x-2 x-2 ท-2 n (nう广 var ()

Answer 2

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