Question

Help please

Answer 1

@Angle

Answer 2

I would just do 0.2 * 5 and so on.,, then add up all the numbers right

Answer 3

\[M _{x} = \Sigma [ x \times P(x)]\]

Yeah

Answer 4

The discrete random variable is x, M stands for mean, and Sigma (if you do not know, just means summation, or add up all of ...) for each [x times P(x)]

Answer 5

So, you already know what to do. Two quick side notes though.

Always make sure that your probabilities aka P(x) values, add up to 1.

Secondly, the best way to solve this kind of problem is to just make a table like

Answer 6

Write in your x values, then P(x), then just multiply them to the third column.

Answer 7

Have to go, hope you have this down :) Good luck!

Answer 8

Okay so when I add up my values I see they do add up to one

Answer 9

@Vocaloid

Answer 10

Yeah that looks good to me