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natita [175]
2 years ago
15

One oval weighs how much

Mathematics
1 answer:
Jlenok [28]2 years ago
6 0

Answer:

5.5

Step-by-step explanation:

11 divided by 2 is 5.5

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The revenue (X) from the sales of a compay has an expected value of $6,263, with a standard deviation of $440 while the cost (Y)
shutvik [7]

Answer:

the covariance between the revenue and cost is 1,513. What is the variance of the profit (X-Y) of the company is 303468

Step-by-step explanation:

Given that;

E(x) = 6263

SD(x) = 440

F(y) = 4872

SD(y) = 336

COVI (x, y) = 1513

Variance x = [ SD(x) ]²

Variance x = [440]² = 193600

Variance y = [ SD(y) ]²

Variance y = [336]² = 112896

Now to get variance of the profit (X-Y) of the company we say;

variance ( x-y ) = variance x + variance y - 2covi(x.y)

we substitute

variance ( x-y ) = 193600 + 112896 - ( 2 × 1513 )

variance ( x-y ) = 306496 - 3026

variance ( x-y ) = 303468

therefore the covariance between the revenue and cost is 1,513. What is the variance of the profit (X-Y) of the company is 303468

7 0
3 years ago
Solve for x
Vilka [71]

Answer:

11

Step-by-step explanation:

1 x − 7 = 4

x=4+7=11

4 0
4 years ago
What is the value of y when line m is parallel to line n
leonid [27]
<span>Quick Check: Review of Parallel and Perpendicular Lines

1. B. angle 4
2. B. </span>alternate interior angles<span>
3. D. 150
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8 0
3 years ago
PLZZZZZZZ HELP!!!!
irina [24]

Answer: $ 7.00

Step-by-step explanation:

you multiply 1.15 by 4

and multiply 1.20 by 2

add

5 0
3 years ago
How do i find the least common denominator of 3/8 and 5/6?<br><br>No links please.​
torisob [31]

Step-by-step explanation:

first find a number that makes divided both if you don't get multiply the denominators

8 0
3 years ago
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