Alright First you combine the like terms.
9n - 3n = 6n
21 - 24 = -3
Rewrite the simplified equation
6n - 3 = 0
Solve for n
6n = 3
n = 3/6
n = 1/2
Ask if you need more help! :)
Answer:
Assume the random variable X has Poisson distribution.
The mean of X is given as
μ
=
7.
As mean of Poisson distribution is equal to...
It would like this for solving n