Question

If 20, 2 276 2

for a discrete random

variable x, then find the mean of x.

Answer 1

Sorry I didn't understand the question please type it clearly

Answer 2

I donno the answer but the correct question is ..

if ч2 = 20 , ч'2 = 276 for a discrete random variable x, then find the mean of x.

∴ ч is mev .. i may have mistaken