Question

Let the random variable X be the outcome of rolling a six sided die. Assuming the die is fair, the probability distribution is as follows:

Answer 1

so to get the mean do i add all the X's then divide by 1/6

Answer 2

Add the x values and divide by 6.

21/6 = 3.5

https://people.richland.edu/james/lecture/m170/ch06-prb.html

Answer 3

@Howard-Wolowitz ^^^