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Snowcat [4.5K]
3 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
Mathematics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

rtdjhvjhfdtktcfyukch

Step-by-step explanation:

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There are 221 students on a field trip.
Liono4ka [1.6K]

The equation that models the students is a linear equation

The equation that models the number of students in each bus is 6x = 216, and the number of students in each bus is 36

<h3>How to determine the equation?</h3>

The given parameters are:

Students = 221

Van = 5

The rest students = 6 buses

Start by calculating the number of students remaining:

Remaining students = 221 - 5

Remaining students = 216

Represent the number of students in each bus with x.

So, we have:

6 buses * x  = Remaining students

This gives

6x = 216

Divide both sides by 6

x = 36

Hence, the equation that models the number of students in each bus is 6x = 216, and the number of students in each bus is 36

Read more about linear equations at:

brainly.com/question/15602982

4 0
1 year ago
brad is drawing 2 polygons.one polygons has 2 more angles than the other.what shapes could he be drawing​
fomenos

Answer:

Step-by-step explanation:

7 0
3 years ago
I need help with the answer.
Alchen [17]

Answer:

a) a = 12s

Step-by-step explaination:

5 0
2 years ago
Three plane tickets to New York cost $2,472.If each plane ticket costs the same amount, about how much does one ticket cost?How
Verdich [7]

Answer:  824$ for each

and will have to discount 24$ for each ticket

Step-by-step explanation:  2472/3= 824

2400/3=800

824-800=24

7 0
2 years ago
D'Naisa mixed her favorite shade of orange paint. She had 111 gallon of orange paint and added 222 quarts of yellow paint and 33
natka813 [3]

Answer:

7.5 Quarts

Step-by-step explanation:

D'Naisa mixed the following:

  • 1 gallon of orange paint
  • 2 quarts of yellow paint
  • 3 pints of red paint.

We are to determine in total, the number of quarts of paint that she mixed. this is done by converting each of the volume to quart.

<u>1 gallon of orange paint</u>

  • 1 gallon = 4 Quarts
  • Orange Paint=4 Quarts

<u>3 pints of red paint.</u>

  • 1 pint =0.5 quart
  • 3 Pints =3 X 0.5 Quart
  • =1.5 Quart of red paint

Therefore,

Total Volume of Paint Mixed in quart= Volume of Orange+Yellow+Red

=4+2+1.5

=7.5 Quarts

3 0
2 years ago
Read 2 more answers
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