
СКМОДЭ 3
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KG
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65 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислить дисперсию случайной величины X по данной таблице?
8
15
34
16
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ДСВ X задан следующей таблицей распределенияНайти .D X
0,69
4,39
3,79
0,49
1,19
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ВычислитеM(5X+3),если математическое ожидание случайной величины X равно 13.
68
62
16
12
72
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если математические ожидания случайных величин X и Y равны 4 и 3 соответственно, то найдите математическое ожидание случайной величины 6X-2Y.
18
12
15
20
72
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если математические ожидания непрерывных случайных величин X и Y равны 4 и 3 соответственно, то найдите математические ожидания случайной величины 5X-2Y.
14
10
12
60
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Задано: M(X). 2 и .M(y) 4 Вычислите: M(2x. 3y)?
-16
-30
-22
-12
-10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Задано: D(х)=5 және D(y)=9. Вычислите: D(3Х - 2У) ?
81
17
91
81
65
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