. ? ......................... scored six points.
(2) from the known ~. ? …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
So mathematical expectations. ........................ 10.
The variance of. ......................... 12.
leave out