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ДВВ(2)

Authored by Nadiia Konovenko

Mathematics

University

Used 7+ times

ДВВ(2)
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7 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

M(4)=

4

0

-4

16

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Знайти М(3X), якщо M(X)=-5

15

-15

45

0

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

D(2)=

2

4

0

-2

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Знайти D(2X), якщо D(X)=5

10

0

20

7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

M(X)=2, M(Y)=-3. Знайти M(4X-5Y-8)

15

23

-15

37

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

D(X)=1,5; D(Y)=3. Знайти D(2X-4Y+5)

54

-4

-42

-37

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Знайти  p3p_3 , M(X),  та D(X)

 x1=2; x2=0; x3=1x_1=-2;\ x_2=0;\ x_3=1  


 p1=0,3; p2=0,1; p3=?p_1=0,3;\ p_2=0,1;\ p_3=?  

 p3=0,6; M(X)=0; D(X)=1,8p_3=0,6;\ M\left(X\right)=0;\ D\left(X\right)=1,8  

 p3=0,6; M(X)=0,1; D(X)=1,79p_3=0,6;\ M\left(X\right)=0,1;\ D\left(X\right)=1,79  

 p3=0,4; M(X)=0,2; D(X)=1,6p_3=0,4;\ M\left(X\right)=-0,2;\ D\left(X\right)=1,6  

 p3=0,6; M(X)=1,8; D(X)=0p_3=0,6;\ M\left(X\right)=1,8;\ D\left(X\right)=0  

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