
Двумерные случайные величины

Quiz
•
Mathematics
•
University
•
Medium
Saadat Cafarova
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Двумерная случайная величина задана двумерной плотностью. Найти постоянную С.
2
1/2
4
1/4
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
В задаче 1 подставить значение постоянной С и найти f1(x).
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
В задаче 1 подставить значение С и найти f2(y).
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
В задаче 1 подставить значение С и найти математическое ожидание составляющей Х.
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Двумерная случайная величина (Х,У) задана дифференциальной функцией f(x,y)=4xy.
Найти f1(x).
4x
x/2
4yx^2
2x
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
В задаче 5 найдите f2(y).
4y
2y
4xy^2
y/2
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
В задаче 5 найдите M(X).
3/2
1/3
2/3
1/4
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