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Anni [7]
3 years ago
10

Two fair dice are thrown. Let X be a random variable giving the score on the rst die and Y be a random variable giving the large

r of the two scores. Write down the joint distribution of X and Y . Find the mean and variance of Y
Mathematics
1 answer:
defon3 years ago
5 0

Answer:

idk

idkidk

Step-by-step explanation:

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gizmo_the_mogwai [7]

Answer:

4

Step-by-step explanation:

on edg

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3 years ago
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10n - 16 = 2(5n-8)] 15n + 25
Margaret [11]
The answer is 1.48226407 hope it helps
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PLEASE HELP!!!!!! I'M IN A TEST SO PLEASE DON'T GUESS!!!!!
djyliett [7]

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Step-by-step explanation:

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Solve using the quadratic formula.<br>-v^2 + 9v - 5 = 0​
timama [110]

Answer:

v = 9/2 + sqrt(61)/2 or v = 9/2 - sqrt(61)/2

Step-by-step explanation:

Solve for v over the real numbers:

-v^2 + 9 v - 5 = 0

Multiply both sides by -1:

v^2 - 9 v + 5 = 0

Subtract 5 from both sides:

v^2 - 9 v = -5

Add 81/4 to both sides:

v^2 - 9 v + 81/4 = 61/4

Write the left hand side as a square:

(v - 9/2)^2 = 61/4

Take the square root of both sides:

v - 9/2 = sqrt(61)/2 or v - 9/2 = -sqrt(61)/2

Add 9/2 to both sides:

v = 9/2 + sqrt(61)/2 or v - 9/2 = -sqrt(61)/2

Add 9/2 to both sides:

Answer: v = 9/2 + sqrt(61)/2 or v = 9/2 - sqrt(61)/2

8 0
3 years ago
Problem 2: find the total surface area of a cylinder to calculate the cost for constructing a closed cylinder matlab
expeople1 [14]
You didn't post any basic information for me to work on the answer.
every cylinder has a different radius and a different hight and hit at different points on the map you need to give basic information
cost/ x
radius
hight
...
a lot of missing information here
6 0
3 years ago
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