Find the value of that makes m ll n x=2x

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

What is not true about kl and mn? what is mn? (show your work)

Graph the linear function using the slooe and y intercept