Формула дисперсии случайной величины Х:<img src="/close/store/examRes/%7BF3924C27-CF5F-4B5F-A98B-4B54994CBF2B%7D/22.bmp" /><img src="/close/store/examRes/%7BF3924C27-CF5F-4B5F-A98B-4B54994CBF2B%7D/21.bmp" /><img src="/close/store/examRes/%7BF3924C27-CF5F-4B5F-A98B-4B54994CBF2B%7D/20.bmp" /> <img src="/img/e6/5f5d4929494d6e60e5064cc949.bmp" />, <img src="/img/df/1535237c8041c83b71775123cb.bmp" />, <img src="/img/cf/07abe13bf4231697f1707544ed.bmp" />