Ask question

Ask question

All categories

4 years ago

12

Let the joint pmf of X and Y be f(x,y)=1/4, (x,y)∈S={(0,0),(1,1),(1,−1),(2,0)}. (a) Are X and Y independent? (b) Calculate Cov(X

,Y) andrho. This exercise also illustrates the fact that dependent random variables can have a correlation coefficient of zero

1 answer:

MrMuchimi4 years ago

8 0

Answer:

rtdjhvjhfdtktcfyukch

Step-by-step explanation:

You might be interested in

What is the expression 1/3b-1/3 factored?

finlep [7]

1/3b -1/3

= 1/3(b-1)

Sorry if I am wrong

7 0

3 years ago

Read 2 more answers

if u are really good at algebra and two way frequency tables please let me know i need some help on 3 questions.

pashok25 [27]

Ya, can't help if you don't show the questions.

6 0

3 years ago

The length of a rectangle is 16 inches ,and its area is (32+48)square inches . Factor the expression for the area .write an expr

Snezhnost [94]

Area=length*width
(32+48)=(16)*(width)
80=(16)(width)
width=(80/16)
5=width

6 0

3 years ago

What’s the answer for x??

zubka84 [21]

Answer:

3x+85= 21

or, 3x= 85- 21

or, 3x= 64

or,x= 64/3

;. x= 21.3

Step-by-step explanation:

the value of x is 21.3

8 0

3 years ago

Can you please help me I really need help urgently pls

sashaice [31]

You have to dive the x and the Y so R=7

7 0

3 years ago

Read 2 more answers